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Finding the Fourth Proportional to 97,224.88, 134,169.52 and 54,203.88

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Solution

The fourth proportional to 97,224.88, 134,169.52 and 54,203.88 is: 74,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,224.88 : 134,169.52 = 54,203.88 : x
  2. Step 2: Convert to fraction form
    97,224.88/134,169.52 = 54,203.88/x
  3. Step 3: Cross multiply
    97,224.88x = 134,169.52 × 54,203.88
  4. Step 4: Simplify right side
    97,224.88x = 7,272,508,561.74
  5. Step 5: Solve for x
    x = 7,272,508,561.74/97,224.88
  6. Step 6: Final answer
    x = 74,800.90

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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.