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Finding the Fourth Proportional to 158,498.40, 237,758.40 and 50,419.20

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Solution

The fourth proportional to 158,498.40, 237,758.40 and 50,419.20 is: 75,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,498.40 : 237,758.40 = 50,419.20 : x
  2. Step 2: Convert to fraction form
    158,498.40/237,758.40 = 50,419.20/x
  3. Step 3: Cross multiply
    158,498.40x = 237,758.40 × 50,419.20
  4. Step 4: Simplify right side
    158,498.40x = 11,987,588,321.28
  5. Step 5: Solve for x
    x = 11,987,588,321.28/158,498.40
  6. Step 6: Final answer
    x = 75,632.24

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1.5x scale

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.