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Finding the Fourth Proportional to 72,297.60, 108,257.76 and 58,180.51

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Solution

The fourth proportional to 72,297.60, 108,257.76 and 58,180.51 is: 87,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297.60 : 108,257.76 = 58,180.51 : x
  2. Step 2: Convert to fraction form
    72,297.60/108,257.76 = 58,180.51/x
  3. Step 3: Cross multiply
    72,297.60x = 108,257.76 × 58,180.51
  4. Step 4: Simplify right side
    72,297.60x = 6,298,491,688.26
  5. Step 5: Solve for x
    x = 6,298,491,688.26/72,297.60
  6. Step 6: Final answer
    x = 87,118.97

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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.