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Finding the Fourth Proportional to 162,856.38, 224,739.18 and 91,235.94

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Solution

The fourth proportional to 162,856.38, 224,739.18 and 91,235.94 is: 125,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,856.38 : 224,739.18 = 91,235.94 : x
  2. Step 2: Convert to fraction form
    162,856.38/224,739.18 = 91,235.94/x
  3. Step 3: Cross multiply
    162,856.38x = 224,739.18 × 91,235.94
  4. Step 4: Simplify right side
    162,856.38x = 20,504,290,342.13
  5. Step 5: Solve for x
    x = 20,504,290,342.13/162,856.38
  6. Step 6: Final answer
    x = 125,904.13

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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.