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Finding the Fourth Proportional to 248,758.20, 373,291.20 and 130,514.40

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Solution

The fourth proportional to 248,758.20, 373,291.20 and 130,514.40 is: 195,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,758.20 : 373,291.20 = 130,514.40 : x
  2. Step 2: Convert to fraction form
    248,758.20/373,291.20 = 130,514.40/x
  3. Step 3: Cross multiply
    248,758.20x = 373,291.20 × 130,514.40
  4. Step 4: Simplify right side
    248,758.20x = 48,719,876,993.28
  5. Step 5: Solve for x
    x = 48,719,876,993.28/248,758.20
  6. Step 6: Final answer
    x = 195,852.35

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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.