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Finding the Fourth Proportional to 162,041.43, 243,086.46 and 56,841.87

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Solution

The fourth proportional to 162,041.43, 243,086.46 and 56,841.87 is: 85,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,041.43 : 243,086.46 = 56,841.87 : x
  2. Step 2: Convert to fraction form
    162,041.43/243,086.46 = 56,841.87/x
  3. Step 3: Cross multiply
    162,041.43x = 243,086.46 × 56,841.87
  4. Step 4: Simplify right side
    162,041.43x = 13,817,488,958.08
  5. Step 5: Solve for x
    x = 13,817,488,958.08/162,041.43
  6. Step 6: Final answer
    x = 85,271.33

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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.