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Finding the Fourth Proportional to 92,373.66, 138,545.91 and 39,054.60

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Solution

The fourth proportional to 92,373.66, 138,545.91 and 39,054.60 is: 58,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,373.66 : 138,545.91 = 39,054.60 : x
  2. Step 2: Convert to fraction form
    92,373.66/138,545.91 = 39,054.60/x
  3. Step 3: Cross multiply
    92,373.66x = 138,545.91 × 39,054.60
  4. Step 4: Simplify right side
    92,373.66x = 5,410,855,096.69
  5. Step 5: Solve for x
    x = 5,410,855,096.69/92,373.66
  6. Step 6: Final answer
    x = 58,575.74

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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.