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Finding the Fourth Proportional to 73,612.80, 101,598.72 and 41,775.36

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Solution

The fourth proportional to 73,612.80, 101,598.72 and 41,775.36 is: 57,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.80 : 101,598.72 = 41,775.36 : x
  2. Step 2: Convert to fraction form
    73,612.80/101,598.72 = 41,775.36/x
  3. Step 3: Cross multiply
    73,612.80x = 101,598.72 × 41,775.36
  4. Step 4: Simplify right side
    73,612.80x = 4,244,323,103.54
  5. Step 5: Solve for x
    x = 4,244,323,103.54/73,612.80
  6. Step 6: Final answer
    x = 57,657.41

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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.