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Finding the Fourth Proportional to 162,805.14, 224,679.42 and 91,180.62

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Solution

The fourth proportional to 162,805.14, 224,679.42 and 91,180.62 is: 125,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,805.14 : 224,679.42 = 91,180.62 : x
  2. Step 2: Convert to fraction form
    162,805.14/224,679.42 = 91,180.62/x
  3. Step 3: Cross multiply
    162,805.14x = 224,679.42 × 91,180.62
  4. Step 4: Simplify right side
    162,805.14x = 20,486,408,816.84
  5. Step 5: Solve for x
    x = 20,486,408,816.84/162,805.14
  6. Step 6: Final answer
    x = 125,833.92

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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.