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Finding the Fourth Proportional to 117,974.34, 176,959.62 and 43,094.16

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Solution

The fourth proportional to 117,974.34, 176,959.62 and 43,094.16 is: 64,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,974.34 : 176,959.62 = 43,094.16 : x
  2. Step 2: Convert to fraction form
    117,974.34/176,959.62 = 43,094.16/x
  3. Step 3: Cross multiply
    117,974.34x = 176,959.62 × 43,094.16
  4. Step 4: Simplify right side
    117,974.34x = 7,625,926,177.82
  5. Step 5: Solve for x
    x = 7,625,926,177.82/117,974.34
  6. Step 6: Final answer
    x = 64,640.55

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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.