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Finding the Fourth Proportional to 97,191.59, 134,123.79 and 54,763.79

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Solution

The fourth proportional to 97,191.59, 134,123.79 and 54,763.79 is: 75,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,191.59 : 134,123.79 = 54,763.79 : x
  2. Step 2: Convert to fraction form
    97,191.59/134,123.79 = 54,763.79/x
  3. Step 3: Cross multiply
    97,191.59x = 134,123.79 × 54,763.79
  4. Step 4: Simplify right side
    97,191.59x = 7,345,126,398.95
  5. Step 5: Solve for x
    x = 7,345,126,398.95/97,191.59
  6. Step 6: Final answer
    x = 75,573.69

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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.