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Finding the Fourth Proportional to 146,103.40, 219,414.30 and 112,904.20

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Solution

The fourth proportional to 146,103.40, 219,414.30 and 112,904.20 is: 169,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,103.40 : 219,414.30 = 112,904.20 : x
  2. Step 2: Convert to fraction form
    146,103.40/219,414.30 = 112,904.20/x
  3. Step 3: Cross multiply
    146,103.40x = 219,414.30 × 112,904.20
  4. Step 4: Simplify right side
    146,103.40x = 24,772,796,010.06
  5. Step 5: Solve for x
    x = 24,772,796,010.06/146,103.40
  6. Step 6: Final answer
    x = 169,556.60

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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.