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Finding the Fourth Proportional to 123,959.94, 185,963.85 and 52,881.36

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Solution

The fourth proportional to 123,959.94, 185,963.85 and 52,881.36 is: 79,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959.94 : 185,963.85 = 52,881.36 : x
  2. Step 2: Convert to fraction form
    123,959.94/185,963.85 = 52,881.36/x
  3. Step 3: Cross multiply
    123,959.94x = 185,963.85 × 52,881.36
  4. Step 4: Simplify right side
    123,959.94x = 9,834,021,298.84
  5. Step 5: Solve for x
    x = 9,834,021,298.84/123,959.94
  6. Step 6: Final answer
    x = 79,332.25

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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.