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Finding the Fourth Proportional to 101,886.66, 152,834.85 and 42,724.26

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Solution

The fourth proportional to 101,886.66, 152,834.85 and 42,724.26 is: 64,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,886.66 : 152,834.85 = 42,724.26 : x
  2. Step 2: Convert to fraction form
    101,886.66/152,834.85 = 42,724.26/x
  3. Step 3: Cross multiply
    101,886.66x = 152,834.85 × 42,724.26
  4. Step 4: Simplify right side
    101,886.66x = 6,529,755,868.46
  5. Step 5: Solve for x
    x = 6,529,755,868.46/101,886.66
  6. Step 6: Final answer
    x = 64,088.43

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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.