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Finding the Fourth Proportional to 202,075.70, 303,441.60 and 113,502.20

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Solution

The fourth proportional to 202,075.70, 303,441.60 and 113,502.20 is: 170,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,075.70 : 303,441.60 = 113,502.20 : x
  2. Step 2: Convert to fraction form
    202,075.70/303,441.60 = 113,502.20/x
  3. Step 3: Cross multiply
    202,075.70x = 303,441.60 × 113,502.20
  4. Step 4: Simplify right side
    202,075.70x = 34,441,289,171.52
  5. Step 5: Solve for x
    x = 34,441,289,171.52/202,075.70
  6. Step 6: Final answer
    x = 170,437.56

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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.