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Finding the Fourth Proportional to 134,857.30, 202,366.95 and 55,963.30

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Solution

The fourth proportional to 134,857.30, 202,366.95 and 55,963.30 is: 83,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857.30 : 202,366.95 = 55,963.30 : x
  2. Step 2: Convert to fraction form
    134,857.30/202,366.95 = 55,963.30/x
  3. Step 3: Cross multiply
    134,857.30x = 202,366.95 × 55,963.30
  4. Step 4: Simplify right side
    134,857.30x = 11,325,122,332.94
  5. Step 5: Solve for x
    x = 11,325,122,332.94/134,857.30
  6. Step 6: Final answer
    x = 83,978.56

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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.