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Finding the Fourth Proportional to 222,590.39, 333,737.96 and 72,778.19

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Solution

The fourth proportional to 222,590.39, 333,737.96 and 72,778.19 is: 109,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,590.39 : 333,737.96 = 72,778.19 : x
  2. Step 2: Convert to fraction form
    222,590.39/333,737.96 = 72,778.19/x
  3. Step 3: Cross multiply
    222,590.39x = 333,737.96 × 72,778.19
  4. Step 4: Simplify right side
    222,590.39x = 24,288,842,630.51
  5. Step 5: Solve for x
    x = 24,288,842,630.51/222,590.39
  6. Step 6: Final answer
    x = 109,119.01

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1.5x scale

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.