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Finding the Fourth Proportional to 86,098.59, 118,810.94 and 48,372.03

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Solution

The fourth proportional to 86,098.59, 118,810.94 and 48,372.03 is: 66,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098.59 : 118,810.94 = 48,372.03 : x
  2. Step 2: Convert to fraction form
    86,098.59/118,810.94 = 48,372.03/x
  3. Step 3: Cross multiply
    86,098.59x = 118,810.94 × 48,372.03
  4. Step 4: Simplify right side
    86,098.59x = 5,747,126,112.15
  5. Step 5: Solve for x
    x = 5,747,126,112.15/86,098.59
  6. Step 6: Final answer
    x = 66,750.53

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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.