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Finding the Fourth Proportional to 110,312.40, 154,104.45 and 110,312.40

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Solution

The fourth proportional to 110,312.40, 154,104.45 and 110,312.40 is: 154,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,312.40 : 154,104.45 = 110,312.40 : x
  2. Step 2: Convert to fraction form
    110,312.40/154,104.45 = 110,312.40/x
  3. Step 3: Cross multiply
    110,312.40x = 154,104.45 × 110,312.40
  4. Step 4: Simplify right side
    110,312.40x = 16,999,631,730.18
  5. Step 5: Solve for x
    x = 16,999,631,730.18/110,312.40
  6. Step 6: Final answer
    x = 154,104.45

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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.