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Finding the Fourth Proportional to 190,625.88, 285,487.95 and 165,529.53

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Solution

The fourth proportional to 190,625.88, 285,487.95 and 165,529.53 is: 247,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.88 : 285,487.95 = 165,529.53 : x
  2. Step 2: Convert to fraction form
    190,625.88/285,487.95 = 165,529.53/x
  3. Step 3: Cross multiply
    190,625.88x = 285,487.95 × 165,529.53
  4. Step 4: Simplify right side
    190,625.88x = 47,256,686,184.16
  5. Step 5: Solve for x
    x = 47,256,686,184.16/190,625.88
  6. Step 6: Final answer
    x = 247,902.78

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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.