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Finding the Fourth Proportional to 104,555,109.90, 146,528,319.30 and 104,555,109.90

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Solution

The fourth proportional to 104,555,109.90, 146,528,319.30 and 104,555,109.90 is: 146,528,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555,109.90 : 146,528,319.30 = 104,555,109.90 : x
  2. Step 2: Convert to fraction form
    104,555,109.90/146,528,319.30 = 104,555,109.90/x
  3. Step 3: Cross multiply
    104,555,109.90x = 146,528,319.30 × 104,555,109.90
  4. Step 4: Simplify right side
    104,555,109.90x = 15,320,284,527,873,794
  5. Step 5: Solve for x
    x = 15,320,284,527,873,794/104,555,109.90
  6. Step 6: Final answer
    x = 146,528,319.30

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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.