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Finding the Fourth Proportional to 303,169.51, 454,754.25 and 92,780.11

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Solution

The fourth proportional to 303,169.51, 454,754.25 and 92,780.11 is: 139,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,169.51 : 454,754.25 = 92,780.11 : x
  2. Step 2: Convert to fraction form
    303,169.51/454,754.25 = 92,780.11/x
  3. Step 3: Cross multiply
    303,169.51x = 454,754.25 × 92,780.11
  4. Step 4: Simplify right side
    303,169.51x = 42,192,149,337.97
  5. Step 5: Solve for x
    x = 42,192,149,337.97/303,169.51
  6. Step 6: Final answer
    x = 139,170.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.