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Finding the Fourth Proportional to 162,714.80, 243,716.88 and 67,656.76

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Solution

The fourth proportional to 162,714.80, 243,716.88 and 67,656.76 is: 101,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,714.80 : 243,716.88 = 67,656.76 : x
  2. Step 2: Convert to fraction form
    162,714.80/243,716.88 = 67,656.76/x
  3. Step 3: Cross multiply
    162,714.80x = 243,716.88 × 67,656.76
  4. Step 4: Simplify right side
    162,714.80x = 16,489,094,458.11
  5. Step 5: Solve for x
    x = 16,489,094,458.11/162,714.80
  6. Step 6: Final answer
    x = 101,337.40

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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.