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Finding the Fourth Proportional to 224,624.88, 309,983.76 and 124,022.88

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Solution

The fourth proportional to 224,624.88, 309,983.76 and 124,022.88 is: 171,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,624.88 : 309,983.76 = 124,022.88 : x
  2. Step 2: Convert to fraction form
    224,624.88/309,983.76 = 124,022.88/x
  3. Step 3: Cross multiply
    224,624.88x = 309,983.76 × 124,022.88
  4. Step 4: Simplify right side
    224,624.88x = 38,445,078,668.43
  5. Step 5: Solve for x
    x = 38,445,078,668.43/224,624.88
  6. Step 6: Final answer
    x = 171,152.36

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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.