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Finding the Fourth Proportional to 222,301.76, 333,480 and 72,501.92

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Solution

The fourth proportional to 222,301.76, 333,480 and 72,501.92 is: 108,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,301.76 : 333,480 = 72,501.92 : x
  2. Step 2: Convert to fraction form
    222,301.76/333,480 = 72,501.92/x
  3. Step 3: Cross multiply
    222,301.76x = 333,480 × 72,501.92
  4. Step 4: Simplify right side
    222,301.76x = 24,177,940,281.60
  5. Step 5: Solve for x
    x = 24,177,940,281.60/222,301.76
  6. Step 6: Final answer
    x = 108,761.80

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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.