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Finding the Fourth Proportional to 293,174.60, 439,718.70 and 82,833.80

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Solution

The fourth proportional to 293,174.60, 439,718.70 and 82,833.80 is: 124,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,174.60 : 439,718.70 = 82,833.80 : x
  2. Step 2: Convert to fraction form
    293,174.60/439,718.70 = 82,833.80/x
  3. Step 3: Cross multiply
    293,174.60x = 439,718.70 × 82,833.80
  4. Step 4: Simplify right side
    293,174.60x = 36,423,570,852.06
  5. Step 5: Solve for x
    x = 36,423,570,852.06/293,174.60
  6. Step 6: Final answer
    x = 124,238.49

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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.