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Finding the Fourth Proportional to 238,080.92, 328,555.67 and 130,660.94

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Solution

The fourth proportional to 238,080.92, 328,555.67 and 130,660.94 is: 180,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,080.92 : 328,555.67 = 130,660.94 : x
  2. Step 2: Convert to fraction form
    238,080.92/328,555.67 = 130,660.94/x
  3. Step 3: Cross multiply
    238,080.92x = 328,555.67 × 130,660.94
  4. Step 4: Simplify right side
    238,080.92x = 42,929,392,852.61
  5. Step 5: Solve for x
    x = 42,929,392,852.61/238,080.92
  6. Step 6: Final answer
    x = 180,314.30

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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.