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Finding the Fourth Proportional to 162,642.33, 224,446.41 and 91,022.40

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Solution

The fourth proportional to 162,642.33, 224,446.41 and 91,022.40 is: 125,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,642.33 : 224,446.41 = 91,022.40 : x
  2. Step 2: Convert to fraction form
    162,642.33/224,446.41 = 91,022.40/x
  3. Step 3: Cross multiply
    162,642.33x = 224,446.41 × 91,022.40
  4. Step 4: Simplify right side
    162,642.33x = 20,429,650,909.58
  5. Step 5: Solve for x
    x = 20,429,650,909.58/162,642.33
  6. Step 6: Final answer
    x = 125,610.91

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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.