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Finding the Fourth Proportional to 156,966.60, 235,061.10 and 125,862.60

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Solution

The fourth proportional to 156,966.60, 235,061.10 and 125,862.60 is: 188,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.60 : 235,061.10 = 125,862.60 : x
  2. Step 2: Convert to fraction form
    156,966.60/235,061.10 = 125,862.60/x
  3. Step 3: Cross multiply
    156,966.60x = 235,061.10 × 125,862.60
  4. Step 4: Simplify right side
    156,966.60x = 29,585,401,204.86
  5. Step 5: Solve for x
    x = 29,585,401,204.86/156,966.60
  6. Step 6: Final answer
    x = 188,482.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.