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Finding the Fourth Proportional to 67,480.20, 101,171.70 and 37,907.10

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Solution

The fourth proportional to 67,480.20, 101,171.70 and 37,907.10 is: 56,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,480.20 : 101,171.70 = 37,907.10 : x
  2. Step 2: Convert to fraction form
    67,480.20/101,171.70 = 37,907.10/x
  3. Step 3: Cross multiply
    67,480.20x = 101,171.70 × 37,907.10
  4. Step 4: Simplify right side
    67,480.20x = 3,835,125,749.07
  5. Step 5: Solve for x
    x = 3,835,125,749.07/67,480.20
  6. Step 6: Final answer
    x = 56,833.35

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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.