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Finding the Fourth Proportional to 190,464.40, 285,670.17 and 133,365.17

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Solution

The fourth proportional to 190,464.40, 285,670.17 and 133,365.17 is: 200,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,464.40 : 285,670.17 = 133,365.17 : x
  2. Step 2: Convert to fraction form
    190,464.40/285,670.17 = 133,365.17/x
  3. Step 3: Cross multiply
    190,464.40x = 285,670.17 × 133,365.17
  4. Step 4: Simplify right side
    190,464.40x = 38,098,450,785.98
  5. Step 5: Solve for x
    x = 38,098,450,785.98/190,464.40
  6. Step 6: Final answer
    x = 200,029.25

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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.