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Finding the Fourth Proportional to 302,711.58, 454,062.51 and 103,170.92

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Solution

The fourth proportional to 302,711.58, 454,062.51 and 103,170.92 is: 154,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,711.58 : 454,062.51 = 103,170.92 : x
  2. Step 2: Convert to fraction form
    302,711.58/454,062.51 = 103,170.92/x
  3. Step 3: Cross multiply
    302,711.58x = 454,062.51 × 103,170.92
  4. Step 4: Simplify right side
    302,711.58x = 46,846,044,623.90
  5. Step 5: Solve for x
    x = 46,846,044,623.90/302,711.58
  6. Step 6: Final answer
    x = 154,754.72

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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.