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Finding the Fourth Proportional to 97,854.88, 134,993.37 and 66,034.04

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Solution

The fourth proportional to 97,854.88, 134,993.37 and 66,034.04 is: 91,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,854.88 : 134,993.37 = 66,034.04 : x
  2. Step 2: Convert to fraction form
    97,854.88/134,993.37 = 66,034.04/x
  3. Step 3: Cross multiply
    97,854.88x = 134,993.37 × 66,034.04
  4. Step 4: Simplify right side
    97,854.88x = 8,914,157,594.31
  5. Step 5: Solve for x
    x = 8,914,157,594.31/97,854.88
  6. Step 6: Final answer
    x = 91,095.69

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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.