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Finding the Fourth Proportional to 158,496.40, 237,755.40 and 50,417.20

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Solution

The fourth proportional to 158,496.40, 237,755.40 and 50,417.20 is: 75,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,496.40 : 237,755.40 = 50,417.20 : x
  2. Step 2: Convert to fraction form
    158,496.40/237,755.40 = 50,417.20/x
  3. Step 3: Cross multiply
    158,496.40x = 237,755.40 × 50,417.20
  4. Step 4: Simplify right side
    158,496.40x = 11,986,961,552.88
  5. Step 5: Solve for x
    x = 11,986,961,552.88/158,496.40
  6. Step 6: Final answer
    x = 75,629.24

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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.