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Finding the Fourth Proportional to 157,365.53, 236,118.05 and 82,467.87

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Solution

The fourth proportional to 157,365.53, 236,118.05 and 82,467.87 is: 123,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,365.53 : 236,118.05 = 82,467.87 : x
  2. Step 2: Convert to fraction form
    157,365.53/236,118.05 = 82,467.87/x
  3. Step 3: Cross multiply
    157,365.53x = 236,118.05 × 82,467.87
  4. Step 4: Simplify right side
    157,365.53x = 19,472,151,471.46
  5. Step 5: Solve for x
    x = 19,472,151,471.46/157,365.53
  6. Step 6: Final answer
    x = 123,738.36

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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.