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Finding the Fourth Proportional to 238,711.64, 358,040.76 and 61,222.82

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Solution

The fourth proportional to 238,711.64, 358,040.76 and 61,222.82 is: 91,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,711.64 : 358,040.76 = 61,222.82 : x
  2. Step 2: Convert to fraction form
    238,711.64/358,040.76 = 61,222.82/x
  3. Step 3: Cross multiply
    238,711.64x = 358,040.76 × 61,222.82
  4. Step 4: Simplify right side
    238,711.64x = 21,920,265,002.14
  5. Step 5: Solve for x
    x = 21,920,265,002.14/238,711.64
  6. Step 6: Final answer
    x = 91,827.38

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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.