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Finding the Fourth Proportional to 101,446.83, 140,001.75 and 58,432.86

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Solution

The fourth proportional to 101,446.83, 140,001.75 and 58,432.86 is: 80,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,446.83 : 140,001.75 = 58,432.86 : x
  2. Step 2: Convert to fraction form
    101,446.83/140,001.75 = 58,432.86/x
  3. Step 3: Cross multiply
    101,446.83x = 140,001.75 × 58,432.86
  4. Step 4: Simplify right side
    101,446.83x = 8,180,702,657.51
  5. Step 5: Solve for x
    x = 8,180,702,657.51/101,446.83
  6. Step 6: Final answer
    x = 80,640.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.