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Finding the Fourth Proportional to 247,264.70, 370,943.19 and 112,338.23

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Solution

The fourth proportional to 247,264.70, 370,943.19 and 112,338.23 is: 168,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,264.70 : 370,943.19 = 112,338.23 : x
  2. Step 2: Convert to fraction form
    247,264.70/370,943.19 = 112,338.23/x
  3. Step 3: Cross multiply
    247,264.70x = 370,943.19 × 112,338.23
  4. Step 4: Simplify right side
    247,264.70x = 41,671,099,540.44
  5. Step 5: Solve for x
    x = 41,671,099,540.44/247,264.70
  6. Step 6: Final answer
    x = 168,528.30

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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.