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Finding the Fourth Proportional to 146,679.52, 202,417.72 and 79,611.52

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Solution

The fourth proportional to 146,679.52, 202,417.72 and 79,611.52 is: 109,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679.52 : 202,417.72 = 79,611.52 : x
  2. Step 2: Convert to fraction form
    146,679.52/202,417.72 = 79,611.52/x
  3. Step 3: Cross multiply
    146,679.52x = 202,417.72 × 79,611.52
  4. Step 4: Simplify right side
    146,679.52x = 16,114,782,364.13
  5. Step 5: Solve for x
    x = 16,114,782,364.13/146,679.52
  6. Step 6: Final answer
    x = 109,863.89

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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.