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Finding the Fourth Proportional to 238,326.48, 357,496.20 and 72,114.48

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Solution

The fourth proportional to 238,326.48, 357,496.20 and 72,114.48 is: 108,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,326.48 : 357,496.20 = 72,114.48 : x
  2. Step 2: Convert to fraction form
    238,326.48/357,496.20 = 72,114.48/x
  3. Step 3: Cross multiply
    238,326.48x = 357,496.20 × 72,114.48
  4. Step 4: Simplify right side
    238,326.48x = 25,780,652,564.98
  5. Step 5: Solve for x
    x = 25,780,652,564.98/238,326.48
  6. Step 6: Final answer
    x = 108,173.68

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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.