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Finding the Fourth Proportional to 302,868.76, 454,013.92 and 113,277.72

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Solution

The fourth proportional to 302,868.76, 454,013.92 and 113,277.72 is: 169,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,868.76 : 454,013.92 = 113,277.72 : x
  2. Step 2: Convert to fraction form
    302,868.76/454,013.92 = 113,277.72/x
  3. Step 3: Cross multiply
    302,868.76x = 454,013.92 × 113,277.72
  4. Step 4: Simplify right side
    302,868.76x = 51,429,661,705.86
  5. Step 5: Solve for x
    x = 51,429,661,705.86/302,868.76
  6. Step 6: Final answer
    x = 169,808.41

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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.