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Finding the Fourth Proportional to 158,311.16, 237,479.08 and 45,993.20

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Solution

The fourth proportional to 158,311.16, 237,479.08 and 45,993.20 is: 68,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,311.16 : 237,479.08 = 45,993.20 : x
  2. Step 2: Convert to fraction form
    158,311.16/237,479.08 = 45,993.20/x
  3. Step 3: Cross multiply
    158,311.16x = 237,479.08 × 45,993.20
  4. Step 4: Simplify right side
    158,311.16x = 10,922,422,822.26
  5. Step 5: Solve for x
    x = 10,922,422,822.26/158,311.16
  6. Step 6: Final answer
    x = 68,993.39

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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.