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Finding the Fourth Proportional to 123,520.92, 185,325.74 and 48,599.58

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Solution

The fourth proportional to 123,520.92, 185,325.74 and 48,599.58 is: 72,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,520.92 : 185,325.74 = 48,599.58 : x
  2. Step 2: Convert to fraction form
    123,520.92/185,325.74 = 48,599.58/x
  3. Step 3: Cross multiply
    123,520.92x = 185,325.74 × 48,599.58
  4. Step 4: Simplify right side
    123,520.92x = 9,006,753,127.19
  5. Step 5: Solve for x
    x = 9,006,753,127.19/123,520.92
  6. Step 6: Final answer
    x = 72,916.82

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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.