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Finding the Fourth Proportional to 302,876.93, 454,526.20 and 125,384.87

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Solution

The fourth proportional to 302,876.93, 454,526.20 and 125,384.87 is: 188,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,876.93 : 454,526.20 = 125,384.87 : x
  2. Step 2: Convert to fraction form
    302,876.93/454,526.20 = 125,384.87/x
  3. Step 3: Cross multiply
    302,876.93x = 454,526.20 × 125,384.87
  4. Step 4: Simplify right side
    302,876.93x = 56,990,708,498.59
  5. Step 5: Solve for x
    x = 56,990,708,498.59/302,876.93
  6. Step 6: Final answer
    x = 188,164.57

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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.