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Finding the Fourth Proportional to 73,008.90, 100,750.88 and 41,177.79

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Solution

The fourth proportional to 73,008.90, 100,750.88 and 41,177.79 is: 56,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,008.90 : 100,750.88 = 41,177.79 : x
  2. Step 2: Convert to fraction form
    73,008.90/100,750.88 = 41,177.79/x
  3. Step 3: Cross multiply
    73,008.90x = 100,750.88 × 41,177.79
  4. Step 4: Simplify right side
    73,008.90x = 4,148,698,373.07
  5. Step 5: Solve for x
    x = 4,148,698,373.07/73,008.90
  6. Step 6: Final answer
    x = 56,824.56

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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.