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Finding the Fourth Proportional to 146,655.88, 202,385.11 and 79,587.88

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Solution

The fourth proportional to 146,655.88, 202,385.11 and 79,587.88 is: 109,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,655.88 : 202,385.11 = 79,587.88 : x
  2. Step 2: Convert to fraction form
    146,655.88/202,385.11 = 79,587.88/x
  3. Step 3: Cross multiply
    146,655.88x = 202,385.11 × 79,587.88
  4. Step 4: Simplify right side
    146,655.88x = 16,107,400,836.54
  5. Step 5: Solve for x
    x = 16,107,400,836.54/146,655.88
  6. Step 6: Final answer
    x = 109,831.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.