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Finding the Fourth Proportional to 177,041.97, 244,318.95 and 105,425.01

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Solution

The fourth proportional to 177,041.97, 244,318.95 and 105,425.01 is: 145,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,041.97 : 244,318.95 = 105,425.01 : x
  2. Step 2: Convert to fraction form
    177,041.97/244,318.95 = 105,425.01/x
  3. Step 3: Cross multiply
    177,041.97x = 244,318.95 × 105,425.01
  4. Step 4: Simplify right side
    177,041.97x = 25,757,327,746.94
  5. Step 5: Solve for x
    x = 25,757,327,746.94/177,041.97
  6. Step 6: Final answer
    x = 145,487.13

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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.