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Finding the Fourth Proportional to 162,842.30, 224,722.02 and 90,249.84

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Solution

The fourth proportional to 162,842.30, 224,722.02 and 90,249.84 is: 124,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,842.30 : 224,722.02 = 90,249.84 : x
  2. Step 2: Convert to fraction form
    162,842.30/224,722.02 = 90,249.84/x
  3. Step 3: Cross multiply
    162,842.30x = 224,722.02 × 90,249.84
  4. Step 4: Simplify right side
    162,842.30x = 20,281,126,349.48
  5. Step 5: Solve for x
    x = 20,281,126,349.48/162,842.30
  6. Step 6: Final answer
    x = 124,544.58

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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.