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Finding the Fourth Proportional to 143,908.25, 215,862.37 and 50,392.13

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Solution

The fourth proportional to 143,908.25, 215,862.37 and 50,392.13 is: 75,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,908.25 : 215,862.37 = 50,392.13 : x
  2. Step 2: Convert to fraction form
    143,908.25/215,862.37 = 50,392.13/x
  3. Step 3: Cross multiply
    143,908.25x = 215,862.37 × 50,392.13
  4. Step 4: Simplify right side
    143,908.25x = 10,877,763,405.86
  5. Step 5: Solve for x
    x = 10,877,763,405.86/143,908.25
  6. Step 6: Final answer
    x = 75,588.19

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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.