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Finding the Fourth Proportional to 238,737.96, 358,080.24 and 61,249.20

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Solution

The fourth proportional to 238,737.96, 358,080.24 and 61,249.20 is: 91,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,737.96 : 358,080.24 = 61,249.20 : x
  2. Step 2: Convert to fraction form
    238,737.96/358,080.24 = 61,249.20/x
  3. Step 3: Cross multiply
    238,737.96x = 358,080.24 × 61,249.20
  4. Step 4: Simplify right side
    238,737.96x = 21,932,128,235.81
  5. Step 5: Solve for x
    x = 21,932,128,235.81/238,737.96
  6. Step 6: Final answer
    x = 91,866.95

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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.