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Finding the Fourth Proportional to 71,594.76, 107,290.60 and 52,726.84

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Solution

The fourth proportional to 71,594.76, 107,290.60 and 52,726.84 is: 79,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.76 : 107,290.60 = 52,726.84 : x
  2. Step 2: Convert to fraction form
    71,594.76/107,290.60 = 52,726.84/x
  3. Step 3: Cross multiply
    71,594.76x = 107,290.60 × 52,726.84
  4. Step 4: Simplify right side
    71,594.76x = 5,657,094,299.70
  5. Step 5: Solve for x
    x = 5,657,094,299.70/71,594.76
  6. Step 6: Final answer
    x = 79,015.48

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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.