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Finding the Fourth Proportional to 123,707.79, 185,561.87 and 44,803.53

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Solution

The fourth proportional to 123,707.79, 185,561.87 and 44,803.53 is: 67,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,707.79 : 185,561.87 = 44,803.53 : x
  2. Step 2: Convert to fraction form
    123,707.79/185,561.87 = 44,803.53/x
  3. Step 3: Cross multiply
    123,707.79x = 185,561.87 × 44,803.53
  4. Step 4: Simplify right side
    123,707.79x = 8,313,826,585.38
  5. Step 5: Solve for x
    x = 8,313,826,585.38/123,707.79
  6. Step 6: Final answer
    x = 67,205.36

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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.