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Finding the Fourth Proportional to 160,930.70, 241,482.45 and 67,445.90

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Solution

The fourth proportional to 160,930.70, 241,482.45 and 67,445.90 is: 101,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,930.70 : 241,482.45 = 67,445.90 : x
  2. Step 2: Convert to fraction form
    160,930.70/241,482.45 = 67,445.90/x
  3. Step 3: Cross multiply
    160,930.70x = 241,482.45 × 67,445.90
  4. Step 4: Simplify right side
    160,930.70x = 16,287,001,174.46
  5. Step 5: Solve for x
    x = 16,287,001,174.46/160,930.70
  6. Step 6: Final answer
    x = 101,205.06

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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.