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Finding the Fourth Proportional to 162,714.30, 243,743.40 and 112,850.70

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Solution

The fourth proportional to 162,714.30, 243,743.40 and 112,850.70 is: 169,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,714.30 : 243,743.40 = 112,850.70 : x
  2. Step 2: Convert to fraction form
    162,714.30/243,743.40 = 112,850.70/x
  3. Step 3: Cross multiply
    162,714.30x = 243,743.40 × 112,850.70
  4. Step 4: Simplify right side
    162,714.30x = 27,506,613,310.38
  5. Step 5: Solve for x
    x = 27,506,613,310.38/162,714.30
  6. Step 6: Final answer
    x = 169,048.53

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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.