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Finding the Fourth Proportional to 248,887.97, 373,300.18 and 80,390.79

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Solution

The fourth proportional to 248,887.97, 373,300.18 and 80,390.79 is: 120,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,887.97 : 373,300.18 = 80,390.79 : x
  2. Step 2: Convert to fraction form
    248,887.97/373,300.18 = 80,390.79/x
  3. Step 3: Cross multiply
    248,887.97x = 373,300.18 × 80,390.79
  4. Step 4: Simplify right side
    248,887.97x = 30,009,896,176.37
  5. Step 5: Solve for x
    x = 30,009,896,176.37/248,887.97
  6. Step 6: Final answer
    x = 120,575.92

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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.