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Finding the Fourth Proportional to 83,273.50, 114,919.28 and 45,547.75

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Solution

The fourth proportional to 83,273.50, 114,919.28 and 45,547.75 is: 62,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,273.50 : 114,919.28 = 45,547.75 : x
  2. Step 2: Convert to fraction form
    83,273.50/114,919.28 = 45,547.75/x
  3. Step 3: Cross multiply
    83,273.50x = 114,919.28 × 45,547.75
  4. Step 4: Simplify right side
    83,273.50x = 5,234,314,635.62
  5. Step 5: Solve for x
    x = 5,234,314,635.62/83,273.50
  6. Step 6: Final answer
    x = 62,856.91

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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.