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Finding the Fourth Proportional to 98,273.70, 147,410.55 and 27,196.20

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Solution

The fourth proportional to 98,273.70, 147,410.55 and 27,196.20 is: 40,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,273.70 : 147,410.55 = 27,196.20 : x
  2. Step 2: Convert to fraction form
    98,273.70/147,410.55 = 27,196.20/x
  3. Step 3: Cross multiply
    98,273.70x = 147,410.55 × 27,196.20
  4. Step 4: Simplify right side
    98,273.70x = 4,009,006,799.91
  5. Step 5: Solve for x
    x = 4,009,006,799.91/98,273.70
  6. Step 6: Final answer
    x = 40,794.30

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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.