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Finding the Fourth Proportional to 157,642.62, 236,461.44 and 73,355.64

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Solution

The fourth proportional to 157,642.62, 236,461.44 and 73,355.64 is: 110,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,642.62 : 236,461.44 = 73,355.64 : x
  2. Step 2: Convert to fraction form
    157,642.62/236,461.44 = 73,355.64/x
  3. Step 3: Cross multiply
    157,642.62x = 236,461.44 × 73,355.64
  4. Step 4: Simplify right side
    157,642.62x = 17,345,780,266.52
  5. Step 5: Solve for x
    x = 17,345,780,266.52/157,642.62
  6. Step 6: Final answer
    x = 110,032.30

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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.