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Finding the Fourth Proportional to 248,532.30, 342,983.16 and 141,098.76

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Solution

The fourth proportional to 248,532.30, 342,983.16 and 141,098.76 is: 194,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,532.30 : 342,983.16 = 141,098.76 : x
  2. Step 2: Convert to fraction form
    248,532.30/342,983.16 = 141,098.76/x
  3. Step 3: Cross multiply
    248,532.30x = 342,983.16 × 141,098.76
  4. Step 4: Simplify right side
    248,532.30x = 48,394,498,576.88
  5. Step 5: Solve for x
    x = 48,394,498,576.88/248,532.30
  6. Step 6: Final answer
    x = 194,721.16

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1.5x scale

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.