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Finding the Fourth Proportional to 157,424.56, 236,008.16 and 73,237.20

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Solution

The fourth proportional to 157,424.56, 236,008.16 and 73,237.20 is: 109,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,424.56 : 236,008.16 = 73,237.20 : x
  2. Step 2: Convert to fraction form
    157,424.56/236,008.16 = 73,237.20/x
  3. Step 3: Cross multiply
    157,424.56x = 236,008.16 × 73,237.20
  4. Step 4: Simplify right side
    157,424.56x = 17,284,576,815.55
  5. Step 5: Solve for x
    x = 17,284,576,815.55/157,424.56
  6. Step 6: Final answer
    x = 109,795.94

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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.