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Finding the Fourth Proportional to 248,006.56, 342,251.28 and 134,829.52

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Solution

The fourth proportional to 248,006.56, 342,251.28 and 134,829.52 is: 186,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,006.56 : 342,251.28 = 134,829.52 : x
  2. Step 2: Convert to fraction form
    248,006.56/342,251.28 = 134,829.52/x
  3. Step 3: Cross multiply
    248,006.56x = 342,251.28 × 134,829.52
  4. Step 4: Simplify right side
    248,006.56x = 46,145,575,801.79
  5. Step 5: Solve for x
    x = 46,145,575,801.79/248,006.56
  6. Step 6: Final answer
    x = 186,065.95

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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.