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Finding the Fourth Proportional to 85,308.52, 127,963.60 and 32,705.50

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Solution

The fourth proportional to 85,308.52, 127,963.60 and 32,705.50 is: 49,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,308.52 : 127,963.60 = 32,705.50 : x
  2. Step 2: Convert to fraction form
    85,308.52/127,963.60 = 32,705.50/x
  3. Step 3: Cross multiply
    85,308.52x = 127,963.60 × 32,705.50
  4. Step 4: Simplify right side
    85,308.52x = 4,185,113,519.80
  5. Step 5: Solve for x
    x = 4,185,113,519.80/85,308.52
  6. Step 6: Final answer
    x = 49,058.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.