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Finding the Fourth Proportional to 149,138.90, 223,125.15 and 96,650.90

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Solution

The fourth proportional to 149,138.90, 223,125.15 and 96,650.90 is: 144,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,138.90 : 223,125.15 = 96,650.90 : x
  2. Step 2: Convert to fraction form
    149,138.90/223,125.15 = 96,650.90/x
  3. Step 3: Cross multiply
    149,138.90x = 223,125.15 × 96,650.90
  4. Step 4: Simplify right side
    149,138.90x = 21,565,246,560.14
  5. Step 5: Solve for x
    x = 21,565,246,560.14/149,138.90
  6. Step 6: Final answer
    x = 144,598.40

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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.