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Finding the Fourth Proportional to 238,905.69, 358,040.05 and 88,995.04

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Solution

The fourth proportional to 238,905.69, 358,040.05 and 88,995.04 is: 133,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,905.69 : 358,040.05 = 88,995.04 : x
  2. Step 2: Convert to fraction form
    238,905.69/358,040.05 = 88,995.04/x
  3. Step 3: Cross multiply
    238,905.69x = 358,040.05 × 88,995.04
  4. Step 4: Simplify right side
    238,905.69x = 31,863,788,571.35
  5. Step 5: Solve for x
    x = 31,863,788,571.35/238,905.69
  6. Step 6: Final answer
    x = 133,373.92

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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.