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Finding the Fourth Proportional to 162,780.80, 244,546.43 and 156,054.92

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Solution

The fourth proportional to 162,780.80, 244,546.43 and 156,054.92 is: 234,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780.80 : 244,546.43 = 156,054.92 : x
  2. Step 2: Convert to fraction form
    162,780.80/244,546.43 = 156,054.92/x
  3. Step 3: Cross multiply
    162,780.80x = 244,546.43 × 156,054.92
  4. Step 4: Simplify right side
    162,780.80x = 38,162,671,566.93
  5. Step 5: Solve for x
    x = 38,162,671,566.93/162,780.80
  6. Step 6: Final answer
    x = 234,442.10

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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.