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Finding the Fourth Proportional to 150,354.96, 207,487.08 and 86,695.44

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Solution

The fourth proportional to 150,354.96, 207,487.08 and 86,695.44 is: 119,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,354.96 : 207,487.08 = 86,695.44 : x
  2. Step 2: Convert to fraction form
    150,354.96/207,487.08 = 86,695.44/x
  3. Step 3: Cross multiply
    150,354.96x = 207,487.08 × 86,695.44
  4. Step 4: Simplify right side
    150,354.96x = 17,988,183,694.92
  5. Step 5: Solve for x
    x = 17,988,183,694.92/150,354.96
  6. Step 6: Final answer
    x = 119,638.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.