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Finding the Fourth Proportional to 260,145.88, 359,059.24 and 158,149.76

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Solution

The fourth proportional to 260,145.88, 359,059.24 and 158,149.76 is: 218,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,145.88 : 359,059.24 = 158,149.76 : x
  2. Step 2: Convert to fraction form
    260,145.88/359,059.24 = 158,149.76/x
  3. Step 3: Cross multiply
    260,145.88x = 359,059.24 × 158,149.76
  4. Step 4: Simplify right side
    260,145.88x = 56,785,132,631.78
  5. Step 5: Solve for x
    x = 56,785,132,631.78/260,145.88
  6. Step 6: Final answer
    x = 218,281.88

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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.