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Finding the Fourth Proportional to 293,182.40, 439,773.60 and 71,566.40

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Solution

The fourth proportional to 293,182.40, 439,773.60 and 71,566.40 is: 107,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,182.40 : 439,773.60 = 71,566.40 : x
  2. Step 2: Convert to fraction form
    293,182.40/439,773.60 = 71,566.40/x
  3. Step 3: Cross multiply
    293,182.40x = 439,773.60 × 71,566.40
  4. Step 4: Simplify right side
    293,182.40x = 31,473,013,367.04
  5. Step 5: Solve for x
    x = 31,473,013,367.04/293,182.40
  6. Step 6: Final answer
    x = 107,349.60

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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.