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Finding the Fourth Proportional to 96,502.40, 133,157.76 and 54,060.80

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Solution

The fourth proportional to 96,502.40, 133,157.76 and 54,060.80 is: 74,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,502.40 : 133,157.76 = 54,060.80 : x
  2. Step 2: Convert to fraction form
    96,502.40/133,157.76 = 54,060.80/x
  3. Step 3: Cross multiply
    96,502.40x = 133,157.76 × 54,060.80
  4. Step 4: Simplify right side
    96,502.40x = 7,198,615,031.81
  5. Step 5: Solve for x
    x = 7,198,615,031.81/96,502.40
  6. Step 6: Final answer
    x = 74,595.19

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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.