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Finding the Fourth Proportional to 235,331.20, 352,920.96 and 77,522.08

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Solution

The fourth proportional to 235,331.20, 352,920.96 and 77,522.08 is: 116,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,331.20 : 352,920.96 = 77,522.08 : x
  2. Step 2: Convert to fraction form
    235,331.20/352,920.96 = 77,522.08/x
  3. Step 3: Cross multiply
    235,331.20x = 352,920.96 × 77,522.08
  4. Step 4: Simplify right side
    235,331.20x = 27,359,166,894.80
  5. Step 5: Solve for x
    x = 27,359,166,894.80/235,331.20
  6. Step 6: Final answer
    x = 116,258.14

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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.