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Finding the Fourth Proportional to 268,060.29, 369,904.84 and 147,209.41

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Solution

The fourth proportional to 268,060.29, 369,904.84 and 147,209.41 is: 203,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,060.29 : 369,904.84 = 147,209.41 : x
  2. Step 2: Convert to fraction form
    268,060.29/369,904.84 = 147,209.41/x
  3. Step 3: Cross multiply
    268,060.29x = 369,904.84 × 147,209.41
  4. Step 4: Simplify right side
    268,060.29x = 54,453,473,252.54
  5. Step 5: Solve for x
    x = 54,453,473,252.54/268,060.29
  6. Step 6: Final answer
    x = 203,138.90

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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.