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Finding the Fourth Proportional to 112,846.50, 169,347.51 and 38,974.50

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Solution

The fourth proportional to 112,846.50, 169,347.51 and 38,974.50 is: 58,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,846.50 : 169,347.51 = 38,974.50 : x
  2. Step 2: Convert to fraction form
    112,846.50/169,347.51 = 38,974.50/x
  3. Step 3: Cross multiply
    112,846.50x = 169,347.51 × 38,974.50
  4. Step 4: Simplify right side
    112,846.50x = 6,600,234,528.50
  5. Step 5: Solve for x
    x = 6,600,234,528.50/112,846.50
  6. Step 6: Final answer
    x = 58,488.61

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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.