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Finding the Fourth Proportional to 111,208.65, 166,822.08 and 32,322.80

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Solution

The fourth proportional to 111,208.65, 166,822.08 and 32,322.80 is: 48,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,208.65 : 166,822.08 = 32,322.80 : x
  2. Step 2: Convert to fraction form
    111,208.65/166,822.08 = 32,322.80/x
  3. Step 3: Cross multiply
    111,208.65x = 166,822.08 × 32,322.80
  4. Step 4: Simplify right side
    111,208.65x = 5,392,156,266.71
  5. Step 5: Solve for x
    x = 5,392,156,266.71/111,208.65
  6. Step 6: Final answer
    x = 48,486.84

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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.