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Finding the Fourth Proportional to 96,885.28, 133,703.28 and 53,279.68

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Solution

The fourth proportional to 96,885.28, 133,703.28 and 53,279.68 is: 73,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,885.28 : 133,703.28 = 53,279.68 : x
  2. Step 2: Convert to fraction form
    96,885.28/133,703.28 = 53,279.68/x
  3. Step 3: Cross multiply
    96,885.28x = 133,703.28 × 53,279.68
  4. Step 4: Simplify right side
    96,885.28x = 7,123,667,973.35
  5. Step 5: Solve for x
    x = 7,123,667,973.35/96,885.28
  6. Step 6: Final answer
    x = 73,526.83

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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.