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Finding the Fourth Proportional to 58,166.40, 87,249.60 and 54,249.60

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Solution

The fourth proportional to 58,166.40, 87,249.60 and 54,249.60 is: 81,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,166.40 : 87,249.60 = 54,249.60 : x
  2. Step 2: Convert to fraction form
    58,166.40/87,249.60 = 54,249.60/x
  3. Step 3: Cross multiply
    58,166.40x = 87,249.60 × 54,249.60
  4. Step 4: Simplify right side
    58,166.40x = 4,733,255,900.16
  5. Step 5: Solve for x
    x = 4,733,255,900.16/58,166.40
  6. Step 6: Final answer
    x = 81,374.40

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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.