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Finding the Fourth Proportional to 114,371.44, 157,794.78 and 69,032.20

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Solution

The fourth proportional to 114,371.44, 157,794.78 and 69,032.20 is: 95,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,371.44 : 157,794.78 = 69,032.20 : x
  2. Step 2: Convert to fraction form
    114,371.44/157,794.78 = 69,032.20/x
  3. Step 3: Cross multiply
    114,371.44x = 157,794.78 × 69,032.20
  4. Step 4: Simplify right side
    114,371.44x = 10,892,920,972.17
  5. Step 5: Solve for x
    x = 10,892,920,972.17/114,371.44
  6. Step 6: Final answer
    x = 95,241.62

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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.