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Finding the Fourth Proportional to 202,532.40, 303,860.16 and 143,482.32

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Solution

The fourth proportional to 202,532.40, 303,860.16 and 143,482.32 is: 215,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,532.40 : 303,860.16 = 143,482.32 : x
  2. Step 2: Convert to fraction form
    202,532.40/303,860.16 = 143,482.32/x
  3. Step 3: Cross multiply
    202,532.40x = 303,860.16 × 143,482.32
  4. Step 4: Simplify right side
    202,532.40x = 43,598,560,712.37
  5. Step 5: Solve for x
    x = 43,598,560,712.37/202,532.40
  6. Step 6: Final answer
    x = 215,267.09

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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.