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Finding the Fourth Proportional to 302,853.90, 454,345.65 and 92,513.10

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Solution

The fourth proportional to 302,853.90, 454,345.65 and 92,513.10 is: 138,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,853.90 : 454,345.65 = 92,513.10 : x
  2. Step 2: Convert to fraction form
    302,853.90/454,345.65 = 92,513.10/x
  3. Step 3: Cross multiply
    302,853.90x = 454,345.65 × 92,513.10
  4. Step 4: Simplify right side
    302,853.90x = 42,032,924,553.02
  5. Step 5: Solve for x
    x = 42,032,924,553.02/302,853.90
  6. Step 6: Final answer
    x = 138,789.44

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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.