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Finding the Fourth Proportional to 222,083.61, 333,148.75 and 72,335.57

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Solution

The fourth proportional to 222,083.61, 333,148.75 and 72,335.57 is: 108,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,083.61 : 333,148.75 = 72,335.57 : x
  2. Step 2: Convert to fraction form
    222,083.61/333,148.75 = 72,335.57/x
  3. Step 3: Cross multiply
    222,083.61x = 333,148.75 × 72,335.57
  4. Step 4: Simplify right side
    222,083.61x = 24,098,502,879.45
  5. Step 5: Solve for x
    x = 24,098,502,879.45/222,083.61
  6. Step 6: Final answer
    x = 108,510.95

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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.