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Finding the Fourth Proportional to 157,174.56, 235,762.02 and 38,844.09

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Solution

The fourth proportional to 157,174.56, 235,762.02 and 38,844.09 is: 58,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,174.56 : 235,762.02 = 38,844.09 : x
  2. Step 2: Convert to fraction form
    157,174.56/235,762.02 = 38,844.09/x
  3. Step 3: Cross multiply
    157,174.56x = 235,762.02 × 38,844.09
  4. Step 4: Simplify right side
    157,174.56x = 9,157,961,123.46
  5. Step 5: Solve for x
    x = 9,157,961,123.46/157,174.56
  6. Step 6: Final answer
    x = 58,266.18

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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.