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Finding the Fourth Proportional to 247,417.46, 371,101.57 and 114,295.81

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Solution

The fourth proportional to 247,417.46, 371,101.57 and 114,295.81 is: 171,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,417.46 : 371,101.57 = 114,295.81 : x
  2. Step 2: Convert to fraction form
    247,417.46/371,101.57 = 114,295.81/x
  3. Step 3: Cross multiply
    247,417.46x = 371,101.57 × 114,295.81
  4. Step 4: Simplify right side
    247,417.46x = 42,415,354,535.42
  5. Step 5: Solve for x
    x = 42,415,354,535.42/247,417.46
  6. Step 6: Final answer
    x = 171,432.34

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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.