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Finding the Fourth Proportional to 239,807.74, 330,935.47 and 132,377.52

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Solution

The fourth proportional to 239,807.74, 330,935.47 and 132,377.52 is: 182,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,807.74 : 330,935.47 = 132,377.52 : x
  2. Step 2: Convert to fraction form
    239,807.74/330,935.47 = 132,377.52/x
  3. Step 3: Cross multiply
    239,807.74x = 330,935.47 × 132,377.52
  4. Step 4: Simplify right side
    239,807.74x = 43,808,415,661.05
  5. Step 5: Solve for x
    x = 43,808,415,661.05/239,807.74
  6. Step 6: Final answer
    x = 182,681.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.