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Finding the Fourth Proportional to 238,711.66, 358,040.70 and 61,222.84

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Solution

The fourth proportional to 238,711.66, 358,040.70 and 61,222.84 is: 91,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,711.66 : 358,040.70 = 61,222.84 : x
  2. Step 2: Convert to fraction form
    238,711.66/358,040.70 = 61,222.84/x
  3. Step 3: Cross multiply
    238,711.66x = 358,040.70 × 61,222.84
  4. Step 4: Simplify right side
    238,711.66x = 21,920,268,489.59
  5. Step 5: Solve for x
    x = 21,920,268,489.59/238,711.66
  6. Step 6: Final answer
    x = 91,827.39

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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.