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Finding the Fourth Proportional to 176,593.72, 243,698.78 and 96,021.45

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Solution

The fourth proportional to 176,593.72, 243,698.78 and 96,021.45 is: 132,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,593.72 : 243,698.78 = 96,021.45 : x
  2. Step 2: Convert to fraction form
    176,593.72/243,698.78 = 96,021.45/x
  3. Step 3: Cross multiply
    176,593.72x = 243,698.78 × 96,021.45
  4. Step 4: Simplify right side
    176,593.72x = 23,400,309,918.76
  5. Step 5: Solve for x
    x = 23,400,309,918.76/176,593.72
  6. Step 6: Final answer
    x = 132,509.30

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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.