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Finding the Fourth Proportional to 224,930.52, 310,398.18 and 122,956.20

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Solution

The fourth proportional to 224,930.52, 310,398.18 and 122,956.20 is: 169,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,930.52 : 310,398.18 = 122,956.20 : x
  2. Step 2: Convert to fraction form
    224,930.52/310,398.18 = 122,956.20/x
  3. Step 3: Cross multiply
    224,930.52x = 310,398.18 × 122,956.20
  4. Step 4: Simplify right side
    224,930.52x = 38,165,380,699.72
  5. Step 5: Solve for x
    x = 38,165,380,699.72/224,930.52
  6. Step 6: Final answer
    x = 169,676.31

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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.