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Finding the Fourth Proportional to 85,860.67, 118,487.65 and 48,134.92

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Solution

The fourth proportional to 85,860.67, 118,487.65 and 48,134.92 is: 66,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,860.67 : 118,487.65 = 48,134.92 : x
  2. Step 2: Convert to fraction form
    85,860.67/118,487.65 = 48,134.92/x
  3. Step 3: Cross multiply
    85,860.67x = 118,487.65 × 48,134.92
  4. Step 4: Simplify right side
    85,860.67x = 5,703,393,553.74
  5. Step 5: Solve for x
    x = 5,703,393,553.74/85,860.67
  6. Step 6: Final answer
    x = 66,426.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.