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Finding the Fourth Proportional to 247,596.78, 371,149.09 and 147,607.14

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Solution

The fourth proportional to 247,596.78, 371,149.09 and 147,607.14 is: 221,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,596.78 : 371,149.09 = 147,607.14 : x
  2. Step 2: Convert to fraction form
    247,596.78/371,149.09 = 147,607.14/x
  3. Step 3: Cross multiply
    247,596.78x = 371,149.09 × 147,607.14
  4. Step 4: Simplify right side
    247,596.78x = 54,784,255,688.50
  5. Step 5: Solve for x
    x = 54,784,255,688.50/247,596.78
  6. Step 6: Final answer
    x = 221,264.01

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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.