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Finding the Fourth Proportional to 101,866.58, 152,799.66 and 57,473.18

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Solution

The fourth proportional to 101,866.58, 152,799.66 and 57,473.18 is: 86,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,866.58 : 152,799.66 = 57,473.18 : x
  2. Step 2: Convert to fraction form
    101,866.58/152,799.66 = 57,473.18/x
  3. Step 3: Cross multiply
    101,866.58x = 152,799.66 × 57,473.18
  4. Step 4: Simplify right side
    101,866.58x = 8,781,882,363.12
  5. Step 5: Solve for x
    x = 8,781,882,363.12/101,866.58
  6. Step 6: Final answer
    x = 86,209.65

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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.