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Finding the Fourth Proportional to 97,239.20, 145,858.78 and 23,367.20

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Solution

The fourth proportional to 97,239.20, 145,858.78 and 23,367.20 is: 35,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,239.20 : 145,858.78 = 23,367.20 : x
  2. Step 2: Convert to fraction form
    97,239.20/145,858.78 = 23,367.20/x
  3. Step 3: Cross multiply
    97,239.20x = 145,858.78 × 23,367.20
  4. Step 4: Simplify right side
    97,239.20x = 3,408,311,284.02
  5. Step 5: Solve for x
    x = 3,408,311,284.02/97,239.20
  6. Step 6: Final answer
    x = 35,050.80

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Similar ratio
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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.