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Finding the Fourth Proportional to 193,060.80, 289,785.60 and 93,301.20

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Solution

The fourth proportional to 193,060.80, 289,785.60 and 93,301.20 is: 140,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,060.80 : 289,785.60 = 93,301.20 : x
  2. Step 2: Convert to fraction form
    193,060.80/289,785.60 = 93,301.20/x
  3. Step 3: Cross multiply
    193,060.80x = 289,785.60 × 93,301.20
  4. Step 4: Simplify right side
    193,060.80x = 27,037,344,222.72
  5. Step 5: Solve for x
    x = 27,037,344,222.72/193,060.80
  6. Step 6: Final answer
    x = 140,045.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.