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Finding the Fourth Proportional to 238,044.10, 328,511.12 and 142,532.54

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Solution

The fourth proportional to 238,044.10, 328,511.12 and 142,532.54 is: 196,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,044.10 : 328,511.12 = 142,532.54 : x
  2. Step 2: Convert to fraction form
    238,044.10/328,511.12 = 142,532.54/x
  3. Step 3: Cross multiply
    238,044.10x = 328,511.12 × 142,532.54
  4. Step 4: Simplify right side
    238,044.10x = 46,823,524,351.84
  5. Step 5: Solve for x
    x = 46,823,524,351.84/238,044.10
  6. Step 6: Final answer
    x = 196,701.05

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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.