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Finding the Fourth Proportional to 224,051.52, 336,077.28 and 129,425.70

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Solution

The fourth proportional to 224,051.52, 336,077.28 and 129,425.70 is: 194,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,051.52 : 336,077.28 = 129,425.70 : x
  2. Step 2: Convert to fraction form
    224,051.52/336,077.28 = 129,425.70/x
  3. Step 3: Cross multiply
    224,051.52x = 336,077.28 × 129,425.70
  4. Step 4: Simplify right side
    224,051.52x = 43,497,037,218.10
  5. Step 5: Solve for x
    x = 43,497,037,218.10/224,051.52
  6. Step 6: Final answer
    x = 194,138.55

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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.