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Finding the Fourth Proportional to 111,779.73, 154,256.67 and 60,793.07

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Solution

The fourth proportional to 111,779.73, 154,256.67 and 60,793.07 is: 83,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,779.73 : 154,256.67 = 60,793.07 : x
  2. Step 2: Convert to fraction form
    111,779.73/154,256.67 = 60,793.07/x
  3. Step 3: Cross multiply
    111,779.73x = 154,256.67 × 60,793.07
  4. Step 4: Simplify right side
    111,779.73x = 9,377,735,765.99
  5. Step 5: Solve for x
    x = 9,377,735,765.99/111,779.73
  6. Step 6: Final answer
    x = 83,894.78

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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.