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Finding the Fourth Proportional to 222,318.33, 333,509.55 and 72,521.56

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Solution

The fourth proportional to 222,318.33, 333,509.55 and 72,521.56 is: 108,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,318.33 : 333,509.55 = 72,521.56 : x
  2. Step 2: Convert to fraction form
    222,318.33/333,509.55 = 72,521.56/x
  3. Step 3: Cross multiply
    222,318.33x = 333,509.55 × 72,521.56
  4. Step 4: Simplify right side
    222,318.33x = 24,186,632,840.90
  5. Step 5: Solve for x
    x = 24,186,632,840.90/222,318.33
  6. Step 6: Final answer
    x = 108,792.80

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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.