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Finding the Fourth Proportional to 162,253.77, 223,887.96 and 90,624.66

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Solution

The fourth proportional to 162,253.77, 223,887.96 and 90,624.66 is: 125,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,253.77 : 223,887.96 = 90,624.66 : x
  2. Step 2: Convert to fraction form
    162,253.77/223,887.96 = 90,624.66/x
  3. Step 3: Cross multiply
    162,253.77x = 223,887.96 × 90,624.66
  4. Step 4: Simplify right side
    162,253.77x = 20,289,770,253.09
  5. Step 5: Solve for x
    x = 20,289,770,253.09/162,253.77
  6. Step 6: Final answer
    x = 125,049.61

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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.