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Finding the Fourth Proportional to 88,847.70, 133,052.85 and 42,045.90

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Solution

The fourth proportional to 88,847.70, 133,052.85 and 42,045.90 is: 62,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,847.70 : 133,052.85 = 42,045.90 : x
  2. Step 2: Convert to fraction form
    88,847.70/133,052.85 = 42,045.90/x
  3. Step 3: Cross multiply
    88,847.70x = 133,052.85 × 42,045.90
  4. Step 4: Simplify right side
    88,847.70x = 5,594,326,825.82
  5. Step 5: Solve for x
    x = 5,594,326,825.82/88,847.70
  6. Step 6: Final answer
    x = 62,965.35

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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.