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Finding the Fourth Proportional to 302,913.22, 454,451.64 and 92,545.42

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Solution

The fourth proportional to 302,913.22, 454,451.64 and 92,545.42 is: 138,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,913.22 : 454,451.64 = 92,545.42 : x
  2. Step 2: Convert to fraction form
    302,913.22/454,451.64 = 92,545.42/x
  3. Step 3: Cross multiply
    302,913.22x = 454,451.64 × 92,545.42
  4. Step 4: Simplify right side
    302,913.22x = 42,057,417,893.49
  5. Step 5: Solve for x
    x = 42,057,417,893.49/302,913.22
  6. Step 6: Final answer
    x = 138,843.12

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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.