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Finding the Fourth Proportional to 469,672.14, 704,551.05 and 132,717.66

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Solution

The fourth proportional to 469,672.14, 704,551.05 and 132,717.66 is: 199,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,672.14 : 704,551.05 = 132,717.66 : x
  2. Step 2: Convert to fraction form
    469,672.14/704,551.05 = 132,717.66/x
  3. Step 3: Cross multiply
    469,672.14x = 704,551.05 × 132,717.66
  4. Step 4: Simplify right side
    469,672.14x = 93,506,366,706.54
  5. Step 5: Solve for x
    x = 93,506,366,706.54/469,672.14
  6. Step 6: Final answer
    x = 199,088.60

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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.