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Finding the Fourth Proportional to 140,663.26, 210,994.92 and 42,167.26

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Solution

The fourth proportional to 140,663.26, 210,994.92 and 42,167.26 is: 63,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,663.26 : 210,994.92 = 42,167.26 : x
  2. Step 2: Convert to fraction form
    140,663.26/210,994.92 = 42,167.26/x
  3. Step 3: Cross multiply
    140,663.26x = 210,994.92 × 42,167.26
  4. Step 4: Simplify right side
    140,663.26x = 8,897,077,650.32
  5. Step 5: Solve for x
    x = 8,897,077,650.32/140,663.26
  6. Step 6: Final answer
    x = 63,250.90

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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.