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Finding the Fourth Proportional to 157,958.75, 236,938.13 and 47,150.75

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Solution

The fourth proportional to 157,958.75, 236,938.13 and 47,150.75 is: 70,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,958.75 : 236,938.13 = 47,150.75 : x
  2. Step 2: Convert to fraction form
    157,958.75/236,938.13 = 47,150.75/x
  3. Step 3: Cross multiply
    157,958.75x = 236,938.13 × 47,150.75
  4. Step 4: Simplify right side
    157,958.75x = 11,171,810,533.10
  5. Step 5: Solve for x
    x = 11,171,810,533.10/157,958.75
  6. Step 6: Final answer
    x = 70,726.13

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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.