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Finding the Fourth Proportional to 245,753.37, 368,694.52 and 77,266.89

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Solution

The fourth proportional to 245,753.37, 368,694.52 and 77,266.89 is: 115,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,753.37 : 368,694.52 = 77,266.89 : x
  2. Step 2: Convert to fraction form
    245,753.37/368,694.52 = 77,266.89/x
  3. Step 3: Cross multiply
    245,753.37x = 368,694.52 × 77,266.89
  4. Step 4: Simplify right side
    245,753.37x = 28,487,878,727.28
  5. Step 5: Solve for x
    x = 28,487,878,727.28/245,753.37
  6. Step 6: Final answer
    x = 115,920.60

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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.