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Finding the Fourth Proportional to 177,041.61, 244,309.79 and 100,560.47

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Solution

The fourth proportional to 177,041.61, 244,309.79 and 100,560.47 is: 138,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,041.61 : 244,309.79 = 100,560.47 : x
  2. Step 2: Convert to fraction form
    177,041.61/244,309.79 = 100,560.47/x
  3. Step 3: Cross multiply
    177,041.61x = 244,309.79 × 100,560.47
  4. Step 4: Simplify right side
    177,041.61x = 24,567,907,918.78
  5. Step 5: Solve for x
    x = 24,567,907,918.78/177,041.61
  6. Step 6: Final answer
    x = 138,769.11

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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.