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Finding the Fourth Proportional to 323,514.54, 485,337.42 and 113,300.10

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Solution

The fourth proportional to 323,514.54, 485,337.42 and 113,300.10 is: 169,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,514.54 : 485,337.42 = 113,300.10 : x
  2. Step 2: Convert to fraction form
    323,514.54/485,337.42 = 113,300.10/x
  3. Step 3: Cross multiply
    323,514.54x = 485,337.42 × 113,300.10
  4. Step 4: Simplify right side
    323,514.54x = 54,988,778,219.74
  5. Step 5: Solve for x
    x = 54,988,778,219.74/323,514.54
  6. Step 6: Final answer
    x = 169,973.13

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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.