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Finding the Fourth Proportional to 143,132.36, 214,698.54 and 37,959.53

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Solution

The fourth proportional to 143,132.36, 214,698.54 and 37,959.53 is: 56,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.36 : 214,698.54 = 37,959.53 : x
  2. Step 2: Convert to fraction form
    143,132.36/214,698.54 = 37,959.53/x
  3. Step 3: Cross multiply
    143,132.36x = 214,698.54 × 37,959.53
  4. Step 4: Simplify right side
    143,132.36x = 8,149,855,670.09
  5. Step 5: Solve for x
    x = 8,149,855,670.09/143,132.36
  6. Step 6: Final answer
    x = 56,939.30

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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.