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Finding the Fourth Proportional to 156,323.13, 215,729.94 and 95,927.13

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Solution

The fourth proportional to 156,323.13, 215,729.94 and 95,927.13 is: 132,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,323.13 : 215,729.94 = 95,927.13 : x
  2. Step 2: Convert to fraction form
    156,323.13/215,729.94 = 95,927.13/x
  3. Step 3: Cross multiply
    156,323.13x = 215,729.94 × 95,927.13
  4. Step 4: Simplify right side
    156,323.13x = 20,694,353,999.27
  5. Step 5: Solve for x
    x = 20,694,353,999.27/156,323.13
  6. Step 6: Final answer
    x = 132,381.91

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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.