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Finding the Fourth Proportional to 67,603.90, 101,211.45 and 41,359.90

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Solution

The fourth proportional to 67,603.90, 101,211.45 and 41,359.90 is: 61,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,603.90 : 101,211.45 = 41,359.90 : x
  2. Step 2: Convert to fraction form
    67,603.90/101,211.45 = 41,359.90/x
  3. Step 3: Cross multiply
    67,603.90x = 101,211.45 × 41,359.90
  4. Step 4: Simplify right side
    67,603.90x = 4,186,095,450.86
  5. Step 5: Solve for x
    x = 4,186,095,450.86/67,603.90
  6. Step 6: Final answer
    x = 61,920.92

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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.