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Finding the Fourth Proportional to 190,010.40, 284,827.60 and 89,994.80

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Solution

The fourth proportional to 190,010.40, 284,827.60 and 89,994.80 is: 134,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,010.40 : 284,827.60 = 89,994.80 : x
  2. Step 2: Convert to fraction form
    190,010.40/284,827.60 = 89,994.80/x
  3. Step 3: Cross multiply
    190,010.40x = 284,827.60 × 89,994.80
  4. Step 4: Simplify right side
    190,010.40x = 25,633,002,896.48
  5. Step 5: Solve for x
    x = 25,633,002,896.48/190,010.40
  6. Step 6: Final answer
    x = 134,903.16

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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.