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Finding the Fourth Proportional to 235,098.40, 352,129.20 and 124,160.80

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Solution

The fourth proportional to 235,098.40, 352,129.20 and 124,160.80 is: 185,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,098.40 : 352,129.20 = 124,160.80 : x
  2. Step 2: Convert to fraction form
    235,098.40/352,129.20 = 124,160.80/x
  3. Step 3: Cross multiply
    235,098.40x = 352,129.20 × 124,160.80
  4. Step 4: Simplify right side
    235,098.40x = 43,720,643,175.36
  5. Step 5: Solve for x
    x = 43,720,643,175.36/235,098.40
  6. Step 6: Final answer
    x = 185,967.42

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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.