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Finding the Fourth Proportional to 101,751.59, 152,627.72 and 42,545.75

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Solution

The fourth proportional to 101,751.59, 152,627.72 and 42,545.75 is: 63,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,751.59 : 152,627.72 = 42,545.75 : x
  2. Step 2: Convert to fraction form
    101,751.59/152,627.72 = 42,545.75/x
  3. Step 3: Cross multiply
    101,751.59x = 152,627.72 × 42,545.75
  4. Step 4: Simplify right side
    101,751.59x = 6,493,660,161.42
  5. Step 5: Solve for x
    x = 6,493,660,161.42/101,751.59
  6. Step 6: Final answer
    x = 63,818.76

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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.