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Finding the Fourth Proportional to 167,488.64, 251,168.64 and 67,614.08

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Solution

The fourth proportional to 167,488.64, 251,168.64 and 67,614.08 is: 101,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,488.64 : 251,168.64 = 67,614.08 : x
  2. Step 2: Convert to fraction form
    167,488.64/251,168.64 = 67,614.08/x
  3. Step 3: Cross multiply
    167,488.64x = 251,168.64 × 67,614.08
  4. Step 4: Simplify right side
    167,488.64x = 16,982,536,518.45
  5. Step 5: Solve for x
    x = 16,982,536,518.45/167,488.64
  6. Step 6: Final answer
    x = 101,395.15

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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.