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Finding the Fourth Proportional to 91,562.81, 137,098.13 and 58,101.71

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Solution

The fourth proportional to 91,562.81, 137,098.13 and 58,101.71 is: 86,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562.81 : 137,098.13 = 58,101.71 : x
  2. Step 2: Convert to fraction form
    91,562.81/137,098.13 = 58,101.71/x
  3. Step 3: Cross multiply
    91,562.81x = 137,098.13 × 58,101.71
  4. Step 4: Simplify right side
    91,562.81x = 7,965,634,814.80
  5. Step 5: Solve for x
    x = 7,965,634,814.80/91,562.81
  6. Step 6: Final answer
    x = 86,996.40

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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.