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Finding the Fourth Proportional to 97,166.80, 134,094.05 and 54,147.97

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Solution

The fourth proportional to 97,166.80, 134,094.05 and 54,147.97 is: 74,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,166.80 : 134,094.05 = 54,147.97 : x
  2. Step 2: Convert to fraction form
    97,166.80/134,094.05 = 54,147.97/x
  3. Step 3: Cross multiply
    97,166.80x = 134,094.05 × 54,147.97
  4. Step 4: Simplify right side
    97,166.80x = 7,260,920,596.58
  5. Step 5: Solve for x
    x = 7,260,920,596.58/97,166.80
  6. Step 6: Final answer
    x = 74,726.35

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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.