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Finding the Fourth Proportional to 96,129.40, 144,150.90 and 36,945.40

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Solution

The fourth proportional to 96,129.40, 144,150.90 and 36,945.40 is: 55,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,129.40 : 144,150.90 = 36,945.40 : x
  2. Step 2: Convert to fraction form
    96,129.40/144,150.90 = 36,945.40/x
  3. Step 3: Cross multiply
    96,129.40x = 144,150.90 × 36,945.40
  4. Step 4: Simplify right side
    96,129.40x = 5,325,712,660.86
  5. Step 5: Solve for x
    x = 5,325,712,660.86/96,129.40
  6. Step 6: Final answer
    x = 55,401.50

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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.