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Finding the Fourth Proportional to 123,420.92, 185,006.74 and 48,593.58

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Solution

The fourth proportional to 123,420.92, 185,006.74 and 48,593.58 is: 72,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,420.92 : 185,006.74 = 48,593.58 : x
  2. Step 2: Convert to fraction form
    123,420.92/185,006.74 = 48,593.58/x
  3. Step 3: Cross multiply
    123,420.92x = 185,006.74 × 48,593.58
  4. Step 4: Simplify right side
    123,420.92x = 8,990,139,820.73
  5. Step 5: Solve for x
    x = 8,990,139,820.73/123,420.92
  6. Step 6: Final answer
    x = 72,841.30

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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.