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Finding the Fourth Proportional to 144,794.48, 199,697.91 and 101,915.92

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Solution

The fourth proportional to 144,794.48, 199,697.91 and 101,915.92 is: 140,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,794.48 : 199,697.91 = 101,915.92 : x
  2. Step 2: Convert to fraction form
    144,794.48/199,697.91 = 101,915.92/x
  3. Step 3: Cross multiply
    144,794.48x = 199,697.91 × 101,915.92
  4. Step 4: Simplify right side
    144,794.48x = 20,352,395,221.24
  5. Step 5: Solve for x
    x = 20,352,395,221.24/144,794.48
  6. Step 6: Final answer
    x = 140,560.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.