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Finding the Fourth Proportional to 165,482.79, 228,359.82 and 93,876.76

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Solution

The fourth proportional to 165,482.79, 228,359.82 and 93,876.76 is: 129,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,482.79 : 228,359.82 = 93,876.76 : x
  2. Step 2: Convert to fraction form
    165,482.79/228,359.82 = 93,876.76/x
  3. Step 3: Cross multiply
    165,482.79x = 228,359.82 × 93,876.76
  4. Step 4: Simplify right side
    165,482.79x = 21,437,680,015.78
  5. Step 5: Solve for x
    x = 21,437,680,015.78/165,482.79
  6. Step 6: Final answer
    x = 129,546.28

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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.