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Finding the Fourth Proportional to 113,482.80, 170,224.20 and 95,986.80

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Solution

The fourth proportional to 113,482.80, 170,224.20 and 95,986.80 is: 143,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,482.80 : 170,224.20 = 95,986.80 : x
  2. Step 2: Convert to fraction form
    113,482.80/170,224.20 = 95,986.80/x
  3. Step 3: Cross multiply
    113,482.80x = 170,224.20 × 95,986.80
  4. Step 4: Simplify right side
    113,482.80x = 16,339,276,240.56
  5. Step 5: Solve for x
    x = 16,339,276,240.56/113,482.80
  6. Step 6: Final answer
    x = 143,980.20

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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.