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Finding the Fourth Proportional to 248,469.84, 342,877.68 and 141,037.92

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Solution

The fourth proportional to 248,469.84, 342,877.68 and 141,037.92 is: 194,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469.84 : 342,877.68 = 141,037.92 : x
  2. Step 2: Convert to fraction form
    248,469.84/342,877.68 = 141,037.92/x
  3. Step 3: Cross multiply
    248,469.84x = 342,877.68 × 141,037.92
  4. Step 4: Simplify right side
    248,469.84x = 48,358,754,801.63
  5. Step 5: Solve for x
    x = 48,358,754,801.63/248,469.84
  6. Step 6: Final answer
    x = 194,626.26

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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.