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Finding the Fourth Proportional to 222,752.75, 334,123.61 and 64,982.57

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Solution

The fourth proportional to 222,752.75, 334,123.61 and 64,982.57 is: 97,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,752.75 : 334,123.61 = 64,982.57 : x
  2. Step 2: Convert to fraction form
    222,752.75/334,123.61 = 64,982.57/x
  3. Step 3: Cross multiply
    222,752.75x = 334,123.61 × 64,982.57
  4. Step 4: Simplify right side
    222,752.75x = 21,712,208,879.95
  5. Step 5: Solve for x
    x = 21,712,208,879.95/222,752.75
  6. Step 6: Final answer
    x = 97,472.24

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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.