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Finding the Fourth Proportional to 112,998.36, 169,479.54 and 29,898.84

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Solution

The fourth proportional to 112,998.36, 169,479.54 and 29,898.84 is: 44,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,998.36 : 169,479.54 = 29,898.84 : x
  2. Step 2: Convert to fraction form
    112,998.36/169,479.54 = 29,898.84/x
  3. Step 3: Cross multiply
    112,998.36x = 169,479.54 × 29,898.84
  4. Step 4: Simplify right side
    112,998.36x = 5,067,241,649.73
  5. Step 5: Solve for x
    x = 5,067,241,649.73/112,998.36
  6. Step 6: Final answer
    x = 44,843.50

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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.