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Finding the Fourth Proportional to 293,046.48, 439,612.20 and 93,301.20

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Solution

The fourth proportional to 293,046.48, 439,612.20 and 93,301.20 is: 139,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,046.48 : 439,612.20 = 93,301.20 : x
  2. Step 2: Convert to fraction form
    293,046.48/439,612.20 = 93,301.20/x
  3. Step 3: Cross multiply
    293,046.48x = 439,612.20 × 93,301.20
  4. Step 4: Simplify right side
    293,046.48x = 41,016,345,794.64
  5. Step 5: Solve for x
    x = 41,016,345,794.64/293,046.48
  6. Step 6: Final answer
    x = 139,965.32

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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.