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Finding the Fourth Proportional to 247,482.80, 340,998.70 and 166,770.14

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Solution

The fourth proportional to 247,482.80, 340,998.70 and 166,770.14 is: 229,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,482.80 : 340,998.70 = 166,770.14 : x
  2. Step 2: Convert to fraction form
    247,482.80/340,998.70 = 166,770.14/x
  3. Step 3: Cross multiply
    247,482.80x = 340,998.70 × 166,770.14
  4. Step 4: Simplify right side
    247,482.80x = 56,868,400,938.82
  5. Step 5: Solve for x
    x = 56,868,400,938.82/247,482.80
  6. Step 6: Final answer
    x = 229,787.29

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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.