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Finding the Fourth Proportional to 96,559.68, 133,254 and 54,115.68

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Solution

The fourth proportional to 96,559.68, 133,254 and 54,115.68 is: 74,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,559.68 : 133,254 = 54,115.68 : x
  2. Step 2: Convert to fraction form
    96,559.68/133,254 = 54,115.68/x
  3. Step 3: Cross multiply
    96,559.68x = 133,254 × 54,115.68
  4. Step 4: Simplify right side
    96,559.68x = 7,211,130,822.72
  5. Step 5: Solve for x
    x = 7,211,130,822.72/96,559.68
  6. Step 6: Final answer
    x = 74,680.56

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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.