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Finding the Fourth Proportional to 232,891.60, 349,411.24 and 83,128.60

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Solution

The fourth proportional to 232,891.60, 349,411.24 and 83,128.60 is: 124,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,891.60 : 349,411.24 = 83,128.60 : x
  2. Step 2: Convert to fraction form
    232,891.60/349,411.24 = 83,128.60/x
  3. Step 3: Cross multiply
    232,891.60x = 349,411.24 × 83,128.60
  4. Step 4: Simplify right side
    232,891.60x = 29,046,067,205.46
  5. Step 5: Solve for x
    x = 29,046,067,205.46/232,891.60
  6. Step 6: Final answer
    x = 124,719.26

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1.5x scale

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.