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Finding the Fourth Proportional to 238,995.53, 358,491.69 and 96,838.71

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Solution

The fourth proportional to 238,995.53, 358,491.69 and 96,838.71 is: 145,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,995.53 : 358,491.69 = 96,838.71 : x
  2. Step 2: Convert to fraction form
    238,995.53/358,491.69 = 96,838.71/x
  3. Step 3: Cross multiply
    238,995.53x = 358,491.69 × 96,838.71
  4. Step 4: Simplify right side
    238,995.53x = 34,715,872,805.32
  5. Step 5: Solve for x
    x = 34,715,872,805.32/238,995.53
  6. Step 6: Final answer
    x = 145,257.41

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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.