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Finding the Fourth Proportional to 162,397.80, 243,596.70 and 112,534.20

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Solution

The fourth proportional to 162,397.80, 243,596.70 and 112,534.20 is: 168,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,397.80 : 243,596.70 = 112,534.20 : x
  2. Step 2: Convert to fraction form
    162,397.80/243,596.70 = 112,534.20/x
  3. Step 3: Cross multiply
    162,397.80x = 243,596.70 × 112,534.20
  4. Step 4: Simplify right side
    162,397.80x = 27,412,959,757.14
  5. Step 5: Solve for x
    x = 27,412,959,757.14/162,397.80
  6. Step 6: Final answer
    x = 168,801.30

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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.