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Finding the Fourth Proportional to 176,666.46, 243,806.18 and 101,229.54

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Solution

The fourth proportional to 176,666.46, 243,806.18 and 101,229.54 is: 139,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,666.46 : 243,806.18 = 101,229.54 : x
  2. Step 2: Convert to fraction form
    176,666.46/243,806.18 = 101,229.54/x
  3. Step 3: Cross multiply
    176,666.46x = 243,806.18 × 101,229.54
  4. Step 4: Simplify right side
    176,666.46x = 24,680,386,944.41
  5. Step 5: Solve for x
    x = 24,680,386,944.41/176,666.46
  6. Step 6: Final answer
    x = 139,700.47

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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.