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Finding the Fourth Proportional to 101,870.55, 152,805.92 and 35,310.74

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Solution

The fourth proportional to 101,870.55, 152,805.92 and 35,310.74 is: 52,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,870.55 : 152,805.92 = 35,310.74 : x
  2. Step 2: Convert to fraction form
    101,870.55/152,805.92 = 35,310.74/x
  3. Step 3: Cross multiply
    101,870.55x = 152,805.92 × 35,310.74
  4. Step 4: Simplify right side
    101,870.55x = 5,395,689,171.00
  5. Step 5: Solve for x
    x = 5,395,689,171.00/101,870.55
  6. Step 6: Final answer
    x = 52,966.13

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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.