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Finding the Fourth Proportional to 67,615.10, 101,391.88 and 36,017.14

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Solution

The fourth proportional to 67,615.10, 101,391.88 and 36,017.14 is: 54,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,615.10 : 101,391.88 = 36,017.14 : x
  2. Step 2: Convert to fraction form
    67,615.10/101,391.88 = 36,017.14/x
  3. Step 3: Cross multiply
    67,615.10x = 101,391.88 × 36,017.14
  4. Step 4: Simplify right side
    67,615.10x = 3,651,845,536.82
  5. Step 5: Solve for x
    x = 3,651,845,536.82/67,615.10
  6. Step 6: Final answer
    x = 54,009.32

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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.