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Finding the Fourth Proportional to 96,663.42, 133,392.02 and 53,644.79

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Solution

The fourth proportional to 96,663.42, 133,392.02 and 53,644.79 is: 74,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,663.42 : 133,392.02 = 53,644.79 : x
  2. Step 2: Convert to fraction form
    96,663.42/133,392.02 = 53,644.79/x
  3. Step 3: Cross multiply
    96,663.42x = 133,392.02 × 53,644.79
  4. Step 4: Simplify right side
    96,663.42x = 7,155,786,965.83
  5. Step 5: Solve for x
    x = 7,155,786,965.83/96,663.42
  6. Step 6: Final answer
    x = 74,027.87

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1.5x scale

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.