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Finding the Fourth Proportional to 246,239.25, 369,407.49 and 77,785.59

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Solution

The fourth proportional to 246,239.25, 369,407.49 and 77,785.59 is: 116,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,239.25 : 369,407.49 = 77,785.59 : x
  2. Step 2: Convert to fraction form
    246,239.25/369,407.49 = 77,785.59/x
  3. Step 3: Cross multiply
    246,239.25x = 369,407.49 × 77,785.59
  4. Step 4: Simplify right side
    246,239.25x = 28,734,579,560.07
  5. Step 5: Solve for x
    x = 28,734,579,560.07/246,239.25
  6. Step 6: Final answer
    x = 116,693.74

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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.