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Finding the Fourth Proportional to 96,113.20, 144,315.60 and 73,951.60

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Solution

The fourth proportional to 96,113.20, 144,315.60 and 73,951.60 is: 111,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,113.20 : 144,315.60 = 73,951.60 : x
  2. Step 2: Convert to fraction form
    96,113.20/144,315.60 = 73,951.60/x
  3. Step 3: Cross multiply
    96,113.20x = 144,315.60 × 73,951.60
  4. Step 4: Simplify right side
    96,113.20x = 10,672,369,524.96
  5. Step 5: Solve for x
    x = 10,672,369,524.96/96,113.20
  6. Step 6: Final answer
    x = 111,039.58

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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.