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Finding the Fourth Proportional to 176,204.72, 243,051.92 and 104,534

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Solution

The fourth proportional to 176,204.72, 243,051.92 and 104,534 is: 144,191.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,204.72 : 243,051.92 = 104,534 : x
  2. Step 2: Convert to fraction form
    176,204.72/243,051.92 = 104,534/x
  3. Step 3: Cross multiply
    176,204.72x = 243,051.92 × 104,534
  4. Step 4: Simplify right side
    176,204.72x = 25,407,188,882.61
  5. Step 5: Solve for x
    x = 25,407,188,882.61/176,204.72
  6. Step 6: Final answer
    x = 144,191.31

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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.