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Finding the Fourth Proportional to 252,002.60, 378,441.30 and 133,904.60

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Solution

The fourth proportional to 252,002.60, 378,441.30 and 133,904.60 is: 201,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,002.60 : 378,441.30 = 133,904.60 : x
  2. Step 2: Convert to fraction form
    252,002.60/378,441.30 = 133,904.60/x
  3. Step 3: Cross multiply
    252,002.60x = 378,441.30 × 133,904.60
  4. Step 4: Simplify right side
    252,002.60x = 50,675,030,899.98
  5. Step 5: Solve for x
    x = 50,675,030,899.98/252,002.60
  6. Step 6: Final answer
    x = 201,089.32

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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.