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Finding the Fourth Proportional to 247,497.45, 371,186.65 and 114,249.70

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Solution

The fourth proportional to 247,497.45, 371,186.65 and 114,249.70 is: 171,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,497.45 : 371,186.65 = 114,249.70 : x
  2. Step 2: Convert to fraction form
    247,497.45/371,186.65 = 114,249.70/x
  3. Step 3: Cross multiply
    247,497.45x = 371,186.65 × 114,249.70
  4. Step 4: Simplify right side
    247,497.45x = 42,407,963,406.51
  5. Step 5: Solve for x
    x = 42,407,963,406.51/247,497.45
  6. Step 6: Final answer
    x = 171,347.07

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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.