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Finding the Fourth Proportional to 96,751.55, 133,502.63 and 54,301.88

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Solution

The fourth proportional to 96,751.55, 133,502.63 and 54,301.88 is: 74,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,751.55 : 133,502.63 = 54,301.88 : x
  2. Step 2: Convert to fraction form
    96,751.55/133,502.63 = 54,301.88/x
  3. Step 3: Cross multiply
    96,751.55x = 133,502.63 × 54,301.88
  4. Step 4: Simplify right side
    96,751.55x = 7,249,442,854.92
  5. Step 5: Solve for x
    x = 7,249,442,854.92/96,751.55
  6. Step 6: Final answer
    x = 74,928.45

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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.