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Finding the Fourth Proportional to 88,842.70, 133,045.35 and 42,040.90

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Solution

The fourth proportional to 88,842.70, 133,045.35 and 42,040.90 is: 62,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,842.70 : 133,045.35 = 42,040.90 : x
  2. Step 2: Convert to fraction form
    88,842.70/133,045.35 = 42,040.90/x
  3. Step 3: Cross multiply
    88,842.70x = 133,045.35 × 42,040.90
  4. Step 4: Simplify right side
    88,842.70x = 5,593,346,254.82
  5. Step 5: Solve for x
    x = 5,593,346,254.82/88,842.70
  6. Step 6: Final answer
    x = 62,957.86

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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.