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Finding the Fourth Proportional to 73,073.76, 100,841.40 and 41,253

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Solution

The fourth proportional to 73,073.76, 100,841.40 and 41,253 is: 56,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,073.76 : 100,841.40 = 41,253 : x
  2. Step 2: Convert to fraction form
    73,073.76/100,841.40 = 41,253/x
  3. Step 3: Cross multiply
    73,073.76x = 100,841.40 × 41,253
  4. Step 4: Simplify right side
    73,073.76x = 4,160,010,274.20
  5. Step 5: Solve for x
    x = 4,160,010,274.20/73,073.76
  6. Step 6: Final answer
    x = 56,928.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.