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Finding the Fourth Proportional to 162,854.60, 244,331.29 and 78,599.06

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Solution

The fourth proportional to 162,854.60, 244,331.29 and 78,599.06 is: 117,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,854.60 : 244,331.29 = 78,599.06 : x
  2. Step 2: Convert to fraction form
    162,854.60/244,331.29 = 78,599.06/x
  3. Step 3: Cross multiply
    162,854.60x = 244,331.29 × 78,599.06
  4. Step 4: Simplify right side
    162,854.60x = 19,204,209,073.30
  5. Step 5: Solve for x
    x = 19,204,209,073.30/162,854.60
  6. Step 6: Final answer
    x = 117,922.42

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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.