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Finding the Fourth Proportional to 106,985.40, 160,593.30 and 60,329.40

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Solution

The fourth proportional to 106,985.40, 160,593.30 and 60,329.40 is: 90,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,985.40 : 160,593.30 = 60,329.40 : x
  2. Step 2: Convert to fraction form
    106,985.40/160,593.30 = 60,329.40/x
  3. Step 3: Cross multiply
    106,985.40x = 160,593.30 × 60,329.40
  4. Step 4: Simplify right side
    106,985.40x = 9,688,497,433.02
  5. Step 5: Solve for x
    x = 9,688,497,433.02/106,985.40
  6. Step 6: Final answer
    x = 90,559.06

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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.