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Finding the Fourth Proportional to 173,395.50, 260,093.25 and 42,067.50

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Solution

The fourth proportional to 173,395.50, 260,093.25 and 42,067.50 is: 63,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,395.50 : 260,093.25 = 42,067.50 : x
  2. Step 2: Convert to fraction form
    173,395.50/260,093.25 = 42,067.50/x
  3. Step 3: Cross multiply
    173,395.50x = 260,093.25 × 42,067.50
  4. Step 4: Simplify right side
    173,395.50x = 10,941,472,794.38
  5. Step 5: Solve for x
    x = 10,941,472,794.38/173,395.50
  6. Step 6: Final answer
    x = 63,101.25

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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.