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Finding the Fourth Proportional to 229,754.52, 317,012.58 and 139,092.84

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Solution

The fourth proportional to 229,754.52, 317,012.58 and 139,092.84 is: 191,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,754.52 : 317,012.58 = 139,092.84 : x
  2. Step 2: Convert to fraction form
    229,754.52/317,012.58 = 139,092.84/x
  3. Step 3: Cross multiply
    229,754.52x = 317,012.58 × 139,092.84
  4. Step 4: Simplify right side
    229,754.52x = 44,094,180,067.93
  5. Step 5: Solve for x
    x = 44,094,180,067.93/229,754.52
  6. Step 6: Final answer
    x = 191,918.66

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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.