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Finding the Fourth Proportional to 140,241.92, 210,446.08 and 56,041.80

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Solution

The fourth proportional to 140,241.92, 210,446.08 and 56,041.80 is: 84,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.92 : 210,446.08 = 56,041.80 : x
  2. Step 2: Convert to fraction form
    140,241.92/210,446.08 = 56,041.80/x
  3. Step 3: Cross multiply
    140,241.92x = 210,446.08 × 56,041.80
  4. Step 4: Simplify right side
    140,241.92x = 11,793,777,126.14
  5. Step 5: Solve for x
    x = 11,793,777,126.14/140,241.92
  6. Step 6: Final answer
    x = 84,095.95

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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.