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Finding the Fourth Proportional to 122,565.88, 183,803.46 and 43,659.16

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Solution

The fourth proportional to 122,565.88, 183,803.46 and 43,659.16 is: 65,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,565.88 : 183,803.46 = 43,659.16 : x
  2. Step 2: Convert to fraction form
    122,565.88/183,803.46 = 43,659.16/x
  3. Step 3: Cross multiply
    122,565.88x = 183,803.46 × 43,659.16
  4. Step 4: Simplify right side
    122,565.88x = 8,024,704,668.69
  5. Step 5: Solve for x
    x = 8,024,704,668.69/122,565.88
  6. Step 6: Final answer
    x = 65,472.58

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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.