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Finding the Fourth Proportional to 176,648.78, 243,776.43 and 96,076.88

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Solution

The fourth proportional to 176,648.78, 243,776.43 and 96,076.88 is: 132,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,648.78 : 243,776.43 = 96,076.88 : x
  2. Step 2: Convert to fraction form
    176,648.78/243,776.43 = 96,076.88/x
  3. Step 3: Cross multiply
    176,648.78x = 243,776.43 × 96,076.88
  4. Step 4: Simplify right side
    176,648.78x = 23,421,277,593.06
  5. Step 5: Solve for x
    x = 23,421,277,593.06/176,648.78
  6. Step 6: Final answer
    x = 132,586.70

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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.