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Finding the Fourth Proportional to 238,821.67, 358,127.33 and 126,475.63

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Solution

The fourth proportional to 238,821.67, 358,127.33 and 126,475.63 is: 189,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,821.67 : 358,127.33 = 126,475.63 : x
  2. Step 2: Convert to fraction form
    238,821.67/358,127.33 = 126,475.63/x
  3. Step 3: Cross multiply
    238,821.67x = 358,127.33 × 126,475.63
  4. Step 4: Simplify right side
    238,821.67x = 45,294,379,049.59
  5. Step 5: Solve for x
    x = 45,294,379,049.59/238,821.67
  6. Step 6: Final answer
    x = 189,657.74

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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.