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Finding the Fourth Proportional to 84,052.47, 115,947.30 and 53,805.24

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Solution

The fourth proportional to 84,052.47, 115,947.30 and 53,805.24 is: 74,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,052.47 : 115,947.30 = 53,805.24 : x
  2. Step 2: Convert to fraction form
    84,052.47/115,947.30 = 53,805.24/x
  3. Step 3: Cross multiply
    84,052.47x = 115,947.30 × 53,805.24
  4. Step 4: Simplify right side
    84,052.47x = 6,238,572,303.85
  5. Step 5: Solve for x
    x = 6,238,572,303.85/84,052.47
  6. Step 6: Final answer
    x = 74,222.36

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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.