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Finding the Fourth Proportional to 247,734.94, 371,616.54 and 70,228

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Solution

The fourth proportional to 247,734.94, 371,616.54 and 70,228 is: 105,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,734.94 : 371,616.54 = 70,228 : x
  2. Step 2: Convert to fraction form
    247,734.94/371,616.54 = 70,228/x
  3. Step 3: Cross multiply
    247,734.94x = 371,616.54 × 70,228
  4. Step 4: Simplify right side
    247,734.94x = 26,097,886,371.12
  5. Step 5: Solve for x
    x = 26,097,886,371.12/247,734.94
  6. Step 6: Final answer
    x = 105,346.01

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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.