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Finding the Fourth Proportional to 83,562, 115,315.56 and 45,836.34

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Solution

The fourth proportional to 83,562, 115,315.56 and 45,836.34 is: 63,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,562 : 115,315.56 = 45,836.34 : x
  2. Step 2: Convert to fraction form
    83,562/115,315.56 = 45,836.34/x
  3. Step 3: Cross multiply
    83,562x = 115,315.56 × 45,836.34
  4. Step 4: Simplify right side
    83,562x = 5,285,643,215.45
  5. Step 5: Solve for x
    x = 5,285,643,215.45/83,562
  6. Step 6: Final answer
    x = 63,254.15

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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.