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Finding the Fourth Proportional to 196,803.70, 295,205.55 and 112,531.30

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Solution

The fourth proportional to 196,803.70, 295,205.55 and 112,531.30 is: 168,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,803.70 : 295,205.55 = 112,531.30 : x
  2. Step 2: Convert to fraction form
    196,803.70/295,205.55 = 112,531.30/x
  3. Step 3: Cross multiply
    196,803.70x = 295,205.55 × 112,531.30
  4. Step 4: Simplify right side
    196,803.70x = 33,219,864,308.72
  5. Step 5: Solve for x
    x = 33,219,864,308.72/196,803.70
  6. Step 6: Final answer
    x = 168,796.95

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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.