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Finding the Fourth Proportional to 176,972.01, 244,221.71 and 105,354.51

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Solution

The fourth proportional to 176,972.01, 244,221.71 and 105,354.51 is: 145,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,972.01 : 244,221.71 = 105,354.51 : x
  2. Step 2: Convert to fraction form
    176,972.01/244,221.71 = 105,354.51/x
  3. Step 3: Cross multiply
    176,972.01x = 244,221.71 × 105,354.51
  4. Step 4: Simplify right side
    176,972.01x = 25,729,858,061.64
  5. Step 5: Solve for x
    x = 25,729,858,061.64/176,972.01
  6. Step 6: Final answer
    x = 145,389.42

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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.