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Finding the Fourth Proportional to 247,734.81, 371,551.01 and 156,522.51

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Solution

The fourth proportional to 247,734.81, 371,551.01 and 156,522.51 is: 234,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,734.81 : 371,551.01 = 156,522.51 : x
  2. Step 2: Convert to fraction form
    247,734.81/371,551.01 = 156,522.51/x
  3. Step 3: Cross multiply
    247,734.81x = 371,551.01 × 156,522.51
  4. Step 4: Simplify right side
    247,734.81x = 58,156,095,895.62
  5. Step 5: Solve for x
    x = 58,156,095,895.62/247,734.81
  6. Step 6: Final answer
    x = 234,751.41

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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.