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Finding the Fourth Proportional to 195,212.40, 292,915.80 and 111,037.20

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Solution

The fourth proportional to 195,212.40, 292,915.80 and 111,037.20 is: 166,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,212.40 : 292,915.80 = 111,037.20 : x
  2. Step 2: Convert to fraction form
    195,212.40/292,915.80 = 111,037.20/x
  3. Step 3: Cross multiply
    195,212.40x = 292,915.80 × 111,037.20
  4. Step 4: Simplify right side
    195,212.40x = 32,524,550,267.76
  5. Step 5: Solve for x
    x = 32,524,550,267.76/195,212.40
  6. Step 6: Final answer
    x = 166,611.09

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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.