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Finding the Fourth Proportional to 146,643.45, 202,367.22 and 79,575.45

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Solution

The fourth proportional to 146,643.45, 202,367.22 and 79,575.45 is: 109,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643.45 : 202,367.22 = 79,575.45 : x
  2. Step 2: Convert to fraction form
    146,643.45/202,367.22 = 79,575.45/x
  3. Step 3: Cross multiply
    146,643.45x = 202,367.22 × 79,575.45
  4. Step 4: Simplify right side
    146,643.45x = 16,103,462,596.75
  5. Step 5: Solve for x
    x = 16,103,462,596.75/146,643.45
  6. Step 6: Final answer
    x = 109,813.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.