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Finding the Fourth Proportional to 122,948.60, 184,422.90 and 108,514.40

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Solution

The fourth proportional to 122,948.60, 184,422.90 and 108,514.40 is: 162,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,948.60 : 184,422.90 = 108,514.40 : x
  2. Step 2: Convert to fraction form
    122,948.60/184,422.90 = 108,514.40/x
  3. Step 3: Cross multiply
    122,948.60x = 184,422.90 × 108,514.40
  4. Step 4: Simplify right side
    122,948.60x = 20,012,540,339.76
  5. Step 5: Solve for x
    x = 20,012,540,339.76/122,948.60
  6. Step 6: Final answer
    x = 162,771.60

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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.