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Finding the Fourth Proportional to 124,062.54, 171,129.69 and 108,184.92

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Solution

The fourth proportional to 124,062.54, 171,129.69 and 108,184.92 is: 149,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,062.54 : 171,129.69 = 108,184.92 : x
  2. Step 2: Convert to fraction form
    124,062.54/171,129.69 = 108,184.92/x
  3. Step 3: Cross multiply
    124,062.54x = 171,129.69 × 108,184.92
  4. Step 4: Simplify right side
    124,062.54x = 18,513,651,822.27
  5. Step 5: Solve for x
    x = 18,513,651,822.27/124,062.54
  6. Step 6: Final answer
    x = 149,228.38

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1.5x scale

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.