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Finding the Fourth Proportional to 101,545.68, 152,096.72 and 42,201.44

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Solution

The fourth proportional to 101,545.68, 152,096.72 and 42,201.44 is: 63,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.68 : 152,096.72 = 42,201.44 : x
  2. Step 2: Convert to fraction form
    101,545.68/152,096.72 = 42,201.44/x
  3. Step 3: Cross multiply
    101,545.68x = 152,096.72 × 42,201.44
  4. Step 4: Simplify right side
    101,545.68x = 6,418,700,603.28
  5. Step 5: Solve for x
    x = 6,418,700,603.28/101,545.68
  6. Step 6: Final answer
    x = 63,209.98

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1.5x scale

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.