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Finding the Fourth Proportional to 122,442.61, 183,678.52 and 59,217.30

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Solution

The fourth proportional to 122,442.61, 183,678.52 and 59,217.30 is: 88,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,442.61 : 183,678.52 = 59,217.30 : x
  2. Step 2: Convert to fraction form
    122,442.61/183,678.52 = 59,217.30/x
  3. Step 3: Cross multiply
    122,442.61x = 183,678.52 × 59,217.30
  4. Step 4: Simplify right side
    122,442.61x = 10,876,946,943.94
  5. Step 5: Solve for x
    x = 10,876,946,943.94/122,442.61
  6. Step 6: Final answer
    x = 88,833.02

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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.