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Finding the Fourth Proportional to 123,637.94, 185,454.87 and 39,396.96

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Solution

The fourth proportional to 123,637.94, 185,454.87 and 39,396.96 is: 59,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,637.94 : 185,454.87 = 39,396.96 : x
  2. Step 2: Convert to fraction form
    123,637.94/185,454.87 = 39,396.96/x
  3. Step 3: Cross multiply
    123,637.94x = 185,454.87 × 39,396.96
  4. Step 4: Simplify right side
    123,637.94x = 7,306,358,095.20
  5. Step 5: Solve for x
    x = 7,306,358,095.20/123,637.94
  6. Step 6: Final answer
    x = 59,094.79

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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.