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Finding the Fourth Proportional to 126,640.80, 175,098.24 and 110,894.40

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Solution

The fourth proportional to 126,640.80, 175,098.24 and 110,894.40 is: 153,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,640.80 : 175,098.24 = 110,894.40 : x
  2. Step 2: Convert to fraction form
    126,640.80/175,098.24 = 110,894.40/x
  3. Step 3: Cross multiply
    126,640.80x = 175,098.24 × 110,894.40
  4. Step 4: Simplify right side
    126,640.80x = 19,417,414,265.86
  5. Step 5: Solve for x
    x = 19,417,414,265.86/126,640.80
  6. Step 6: Final answer
    x = 153,326.69

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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.