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Finding the Fourth Proportional to 162,160.58, 243,351.60 and 56,979.56

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Solution

The fourth proportional to 162,160.58, 243,351.60 and 56,979.56 is: 85,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,160.58 : 243,351.60 = 56,979.56 : x
  2. Step 2: Convert to fraction form
    162,160.58/243,351.60 = 56,979.56/x
  3. Step 3: Cross multiply
    162,160.58x = 243,351.60 × 56,979.56
  4. Step 4: Simplify right side
    162,160.58x = 13,866,067,093.30
  5. Step 5: Solve for x
    x = 13,866,067,093.30/162,160.58
  6. Step 6: Final answer
    x = 85,508.25

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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.