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Finding the Fourth Proportional to 95,578.20, 143,170.20 and 56,015.40

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Solution

The fourth proportional to 95,578.20, 143,170.20 and 56,015.40 is: 83,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,578.20 : 143,170.20 = 56,015.40 : x
  2. Step 2: Convert to fraction form
    95,578.20/143,170.20 = 56,015.40/x
  3. Step 3: Cross multiply
    95,578.20x = 143,170.20 × 56,015.40
  4. Step 4: Simplify right side
    95,578.20x = 8,019,736,021.08
  5. Step 5: Solve for x
    x = 8,019,736,021.08/95,578.20
  6. Step 6: Final answer
    x = 83,907.59

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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.