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Finding the Fourth Proportional to 222,421.16, 333,596.46 and 72,660.20

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Solution

The fourth proportional to 222,421.16, 333,596.46 and 72,660.20 is: 108,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,421.16 : 333,596.46 = 72,660.20 : x
  2. Step 2: Convert to fraction form
    222,421.16/333,596.46 = 72,660.20/x
  3. Step 3: Cross multiply
    222,421.16x = 333,596.46 × 72,660.20
  4. Step 4: Simplify right side
    222,421.16x = 24,239,185,502.89
  5. Step 5: Solve for x
    x = 24,239,185,502.89/222,421.16
  6. Step 6: Final answer
    x = 108,978.77

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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.