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Finding the Fourth Proportional to 152,755.95, 229,041.88 and 68,500.88

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Solution

The fourth proportional to 152,755.95, 229,041.88 and 68,500.88 is: 102,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,755.95 : 229,041.88 = 68,500.88 : x
  2. Step 2: Convert to fraction form
    152,755.95/229,041.88 = 68,500.88/x
  3. Step 3: Cross multiply
    152,755.95x = 229,041.88 × 68,500.88
  4. Step 4: Simplify right side
    152,755.95x = 15,689,569,020.39
  5. Step 5: Solve for x
    x = 15,689,569,020.39/152,755.95
  6. Step 6: Final answer
    x = 102,710.04

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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.