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Finding the Fourth Proportional to 88,798.80, 133,197.84 and 42,084.48

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Solution

The fourth proportional to 88,798.80, 133,197.84 and 42,084.48 is: 63,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,798.80 : 133,197.84 = 42,084.48 : x
  2. Step 2: Convert to fraction form
    88,798.80/133,197.84 = 42,084.48/x
  3. Step 3: Cross multiply
    88,798.80x = 133,197.84 × 42,084.48
  4. Step 4: Simplify right side
    88,798.80x = 5,605,561,833.52
  5. Step 5: Solve for x
    x = 5,605,561,833.52/88,798.80
  6. Step 6: Final answer
    x = 63,126.55

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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.