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Finding the Fourth Proportional to 193,340.92, 290,117.10 and 75,016.94

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Solution

The fourth proportional to 193,340.92, 290,117.10 and 75,016.94 is: 112,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,340.92 : 290,117.10 = 75,016.94 : x
  2. Step 2: Convert to fraction form
    193,340.92/290,117.10 = 75,016.94/x
  3. Step 3: Cross multiply
    193,340.92x = 290,117.10 × 75,016.94
  4. Step 4: Simplify right side
    193,340.92x = 21,763,697,083.67
  5. Step 5: Solve for x
    x = 21,763,697,083.67/193,340.92
  6. Step 6: Final answer
    x = 112,566.43

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1.5x scale

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.