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Finding the Fourth Proportional to 111,248.60, 166,872.95 and 27,008.87

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Solution

The fourth proportional to 111,248.60, 166,872.95 and 27,008.87 is: 40,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,248.60 : 166,872.95 = 27,008.87 : x
  2. Step 2: Convert to fraction form
    111,248.60/166,872.95 = 27,008.87/x
  3. Step 3: Cross multiply
    111,248.60x = 166,872.95 × 27,008.87
  4. Step 4: Simplify right side
    111,248.60x = 4,507,049,813.07
  5. Step 5: Solve for x
    x = 4,507,049,813.07/111,248.60
  6. Step 6: Final answer
    x = 40,513.32

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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.