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Finding the Fourth Proportional to 91,402.88, 137,018.88 and 32,205.44

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Solution

The fourth proportional to 91,402.88, 137,018.88 and 32,205.44 is: 48,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,402.88 : 137,018.88 = 32,205.44 : x
  2. Step 2: Convert to fraction form
    91,402.88/137,018.88 = 32,205.44/x
  3. Step 3: Cross multiply
    91,402.88x = 137,018.88 × 32,205.44
  4. Step 4: Simplify right side
    91,402.88x = 4,412,753,318.71
  5. Step 5: Solve for x
    x = 4,412,753,318.71/91,402.88
  6. Step 6: Final answer
    x = 48,278.06

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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.