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Finding the Fourth Proportional to 83,237.22, 114,867.72 and 45,512.28

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Solution

The fourth proportional to 83,237.22, 114,867.72 and 45,512.28 is: 62,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,237.22 : 114,867.72 = 45,512.28 : x
  2. Step 2: Convert to fraction form
    83,237.22/114,867.72 = 45,512.28/x
  3. Step 3: Cross multiply
    83,237.22x = 114,867.72 × 45,512.28
  4. Step 4: Simplify right side
    83,237.22x = 5,227,891,835.60
  5. Step 5: Solve for x
    x = 5,227,891,835.60/83,237.22
  6. Step 6: Final answer
    x = 62,807.14

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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.