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Finding the Fourth Proportional to 292,671.96, 439,007.91 and 82,309.87

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Solution

The fourth proportional to 292,671.96, 439,007.91 and 82,309.87 is: 123,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,671.96 : 439,007.91 = 82,309.87 : x
  2. Step 2: Convert to fraction form
    292,671.96/439,007.91 = 82,309.87/x
  3. Step 3: Cross multiply
    292,671.96x = 439,007.91 × 82,309.87
  4. Step 4: Simplify right side
    292,671.96x = 36,134,684,001.07
  5. Step 5: Solve for x
    x = 36,134,684,001.07/292,671.96
  6. Step 6: Final answer
    x = 123,464.80

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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.