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Finding the Fourth Proportional to 106,980.90, 160,586.55 and 60,324.90

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Solution

The fourth proportional to 106,980.90, 160,586.55 and 60,324.90 is: 90,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,980.90 : 160,586.55 = 60,324.90 : x
  2. Step 2: Convert to fraction form
    106,980.90/160,586.55 = 60,324.90/x
  3. Step 3: Cross multiply
    106,980.90x = 160,586.55 × 60,324.90
  4. Step 4: Simplify right side
    106,980.90x = 9,687,367,570.10
  5. Step 5: Solve for x
    x = 9,687,367,570.10/106,980.90
  6. Step 6: Final answer
    x = 90,552.31

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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.