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Finding the Fourth Proportional to 116,574.71, 175,037.03 and 66,711.11

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Solution

The fourth proportional to 116,574.71, 175,037.03 and 66,711.11 is: 100,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,574.71 : 175,037.03 = 66,711.11 : x
  2. Step 2: Convert to fraction form
    116,574.71/175,037.03 = 66,711.11/x
  3. Step 3: Cross multiply
    116,574.71x = 175,037.03 × 66,711.11
  4. Step 4: Simplify right side
    116,574.71x = 11,676,914,562.40
  5. Step 5: Solve for x
    x = 11,676,914,562.40/116,574.71
  6. Step 6: Final answer
    x = 100,166.79

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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.