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Finding the Fourth Proportional to 83,393.56, 115,083.30 and 45,153.52

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Solution

The fourth proportional to 83,393.56, 115,083.30 and 45,153.52 is: 62,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,393.56 : 115,083.30 = 45,153.52 : x
  2. Step 2: Convert to fraction form
    83,393.56/115,083.30 = 45,153.52/x
  3. Step 3: Cross multiply
    83,393.56x = 115,083.30 × 45,153.52
  4. Step 4: Simplify right side
    83,393.56x = 5,196,416,088.22
  5. Step 5: Solve for x
    x = 5,196,416,088.22/83,393.56
  6. Step 6: Final answer
    x = 62,311.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.