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Finding the Fourth Proportional to 98,633.44, 148,026.88 and 68,857.92

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Solution

The fourth proportional to 98,633.44, 148,026.88 and 68,857.92 is: 103,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,633.44 : 148,026.88 = 68,857.92 : x
  2. Step 2: Convert to fraction form
    98,633.44/148,026.88 = 68,857.92/x
  3. Step 3: Cross multiply
    98,633.44x = 148,026.88 × 68,857.92
  4. Step 4: Simplify right side
    98,633.44x = 10,192,823,060.89
  5. Step 5: Solve for x
    x = 10,192,823,060.89/98,633.44
  6. Step 6: Final answer
    x = 103,340.44

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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.