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Finding the Fourth Proportional to 293,058.60, 439,544.70 and 82,717.80

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Solution

The fourth proportional to 293,058.60, 439,544.70 and 82,717.80 is: 124,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,058.60 : 439,544.70 = 82,717.80 : x
  2. Step 2: Convert to fraction form
    293,058.60/439,544.70 = 82,717.80/x
  3. Step 3: Cross multiply
    293,058.60x = 439,544.70 × 82,717.80
  4. Step 4: Simplify right side
    293,058.60x = 36,358,170,585.66
  5. Step 5: Solve for x
    x = 36,358,170,585.66/293,058.60
  6. Step 6: Final answer
    x = 124,064.51

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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.