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Finding the Fourth Proportional to 107,129.70, 160,696.82 and 36,054.49

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Solution

The fourth proportional to 107,129.70, 160,696.82 and 36,054.49 is: 54,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,129.70 : 160,696.82 = 36,054.49 : x
  2. Step 2: Convert to fraction form
    107,129.70/160,696.82 = 36,054.49/x
  3. Step 3: Cross multiply
    107,129.70x = 160,696.82 × 36,054.49
  4. Step 4: Simplify right side
    107,129.70x = 5,793,841,889.72
  5. Step 5: Solve for x
    x = 5,793,841,889.72/107,129.70
  6. Step 6: Final answer
    x = 54,082.50

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Why These Related Problems?

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