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Finding the Fourth Proportional to 162,790.92, 244,269.72 and 77,498.31

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Solution

The fourth proportional to 162,790.92, 244,269.72 and 77,498.31 is: 116,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,790.92 : 244,269.72 = 77,498.31 : x
  2. Step 2: Convert to fraction form
    162,790.92/244,269.72 = 77,498.31/x
  3. Step 3: Cross multiply
    162,790.92x = 244,269.72 × 77,498.31
  4. Step 4: Simplify right side
    162,790.92x = 18,930,489,262.82
  5. Step 5: Solve for x
    x = 18,930,489,262.82/162,790.92
  6. Step 6: Final answer
    x = 116,287.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.