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Finding the Fourth Proportional to 104,555,116.40, 146,528,328.40 and 104,555,116.40

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Solution

The fourth proportional to 104,555,116.40, 146,528,328.40 and 104,555,116.40 is: 146,528,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555,116.40 : 146,528,328.40 = 104,555,116.40 : x
  2. Step 2: Convert to fraction form
    104,555,116.40/146,528,328.40 = 104,555,116.40/x
  3. Step 3: Cross multiply
    104,555,116.40x = 146,528,328.40 × 104,555,116.40
  4. Step 4: Simplify right side
    104,555,116.40x = 15,320,286,431,759,428
  5. Step 5: Solve for x
    x = 15,320,286,431,759,428/104,555,116.40
  6. Step 6: Final answer
    x = 146,528,328.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.