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Finding the Fourth Proportional to 176,195.98, 243,162.30 and 99,714.88

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Solution

The fourth proportional to 176,195.98, 243,162.30 and 99,714.88 is: 137,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,195.98 : 243,162.30 = 99,714.88 : x
  2. Step 2: Convert to fraction form
    176,195.98/243,162.30 = 99,714.88/x
  3. Step 3: Cross multiply
    176,195.98x = 243,162.30 × 99,714.88
  4. Step 4: Simplify right side
    176,195.98x = 24,246,899,565.02
  5. Step 5: Solve for x
    x = 24,246,899,565.02/176,195.98
  6. Step 6: Final answer
    x = 137,613.24

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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.