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Finding the Fourth Proportional to 91,951.73, 137,664.44 and 62,316.87

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Solution

The fourth proportional to 91,951.73, 137,664.44 and 62,316.87 is: 93,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,951.73 : 137,664.44 = 62,316.87 : x
  2. Step 2: Convert to fraction form
    91,951.73/137,664.44 = 62,316.87/x
  3. Step 3: Cross multiply
    91,951.73x = 137,664.44 × 62,316.87
  4. Step 4: Simplify right side
    91,951.73x = 8,578,817,011.10
  5. Step 5: Solve for x
    x = 8,578,817,011.10/91,951.73
  6. Step 6: Final answer
    x = 93,296.96

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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.