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Finding the Fourth Proportional to 162,825.70, 224,713.44 and 91,220.44

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Solution

The fourth proportional to 162,825.70, 224,713.44 and 91,220.44 is: 125,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,825.70 : 224,713.44 = 91,220.44 : x
  2. Step 2: Convert to fraction form
    162,825.70/224,713.44 = 91,220.44/x
  3. Step 3: Cross multiply
    162,825.70x = 224,713.44 × 91,220.44
  4. Step 4: Simplify right side
    162,825.70x = 20,498,458,870.71
  5. Step 5: Solve for x
    x = 20,498,458,870.71/162,825.70
  6. Step 6: Final answer
    x = 125,892.04

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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.