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Finding the Fourth Proportional to 152,472.60, 228,708.90 and 102,706.20

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Solution

The fourth proportional to 152,472.60, 228,708.90 and 102,706.20 is: 154,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,472.60 : 228,708.90 = 102,706.20 : x
  2. Step 2: Convert to fraction form
    152,472.60/228,708.90 = 102,706.20/x
  3. Step 3: Cross multiply
    152,472.60x = 228,708.90 × 102,706.20
  4. Step 4: Simplify right side
    152,472.60x = 23,489,822,025.18
  5. Step 5: Solve for x
    x = 23,489,822,025.18/152,472.60
  6. Step 6: Final answer
    x = 154,059.30

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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.