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Finding the Fourth Proportional to 372,881.36, 559,321.73 and 92,398.61

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Solution

The fourth proportional to 372,881.36, 559,321.73 and 92,398.61 is: 138,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,881.36 : 559,321.73 = 92,398.61 : x
  2. Step 2: Convert to fraction form
    372,881.36/559,321.73 = 92,398.61/x
  3. Step 3: Cross multiply
    372,881.36x = 559,321.73 × 92,398.61
  4. Step 4: Simplify right side
    372,881.36x = 51,680,547,136.19
  5. Step 5: Solve for x
    x = 51,680,547,136.19/372,881.36
  6. Step 6: Final answer
    x = 138,597.83

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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.