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Finding the Fourth Proportional to 157,957.66, 236,803.21 and 73,673.42

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Solution

The fourth proportional to 157,957.66, 236,803.21 and 73,673.42 is: 110,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,957.66 : 236,803.21 = 73,673.42 : x
  2. Step 2: Convert to fraction form
    157,957.66/236,803.21 = 73,673.42/x
  3. Step 3: Cross multiply
    157,957.66x = 236,803.21 × 73,673.42
  4. Step 4: Simplify right side
    157,957.66x = 17,446,102,347.68
  5. Step 5: Solve for x
    x = 17,446,102,347.68/157,957.66
  6. Step 6: Final answer
    x = 110,447.97

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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.