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Finding the Fourth Proportional to 302,755.68, 454,129.80 and 92,394.18

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Solution

The fourth proportional to 302,755.68, 454,129.80 and 92,394.18 is: 138,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,755.68 : 454,129.80 = 92,394.18 : x
  2. Step 2: Convert to fraction form
    302,755.68/454,129.80 = 92,394.18/x
  3. Step 3: Cross multiply
    302,755.68x = 454,129.80 × 92,394.18
  4. Step 4: Simplify right side
    302,755.68x = 41,958,950,484.56
  5. Step 5: Solve for x
    x = 41,958,950,484.56/302,755.68
  6. Step 6: Final answer
    x = 138,590.13

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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.