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Finding the Fourth Proportional to 247,497.20, 371,186.28 and 114,249.45

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Solution

The fourth proportional to 247,497.20, 371,186.28 and 114,249.45 is: 171,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,497.20 : 371,186.28 = 114,249.45 : x
  2. Step 2: Convert to fraction form
    247,497.20/371,186.28 = 114,249.45/x
  3. Step 3: Cross multiply
    247,497.20x = 371,186.28 × 114,249.45
  4. Step 4: Simplify right side
    247,497.20x = 42,407,828,337.55
  5. Step 5: Solve for x
    x = 42,407,828,337.55/247,497.20
  6. Step 6: Final answer
    x = 171,346.70

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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.