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Finding the Fourth Proportional to 222,737.19, 334,078.65 and 64,965.80

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Solution

The fourth proportional to 222,737.19, 334,078.65 and 64,965.80 is: 97,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,737.19 : 334,078.65 = 64,965.80 : x
  2. Step 2: Convert to fraction form
    222,737.19/334,078.65 = 64,965.80/x
  3. Step 3: Cross multiply
    222,737.19x = 334,078.65 × 64,965.80
  4. Step 4: Simplify right side
    222,737.19x = 21,703,685,089.78
  5. Step 5: Solve for x
    x = 21,703,685,089.78/222,737.19
  6. Step 6: Final answer
    x = 97,440.78

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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.