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Finding the Fourth Proportional to 72,136.32, 108,027.84 and 59,579.52

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Solution

The fourth proportional to 72,136.32, 108,027.84 and 59,579.52 is: 89,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,136.32 : 108,027.84 = 59,579.52 : x
  2. Step 2: Convert to fraction form
    72,136.32/108,027.84 = 59,579.52/x
  3. Step 3: Cross multiply
    72,136.32x = 108,027.84 × 59,579.52
  4. Step 4: Simplify right side
    72,136.32x = 6,436,246,853.84
  5. Step 5: Solve for x
    x = 6,436,246,853.84/72,136.32
  6. Step 6: Final answer
    x = 89,223.39

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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.