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Finding the Fourth Proportional to 247,528.70, 371,233.59 and 114,281

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Solution

The fourth proportional to 247,528.70, 371,233.59 and 114,281 is: 171,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,528.70 : 371,233.59 = 114,281 : x
  2. Step 2: Convert to fraction form
    247,528.70/371,233.59 = 114,281/x
  3. Step 3: Cross multiply
    247,528.70x = 371,233.59 × 114,281
  4. Step 4: Simplify right side
    247,528.70x = 42,424,945,898.79
  5. Step 5: Solve for x
    x = 42,424,945,898.79/247,528.70
  6. Step 6: Final answer
    x = 171,394.05

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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.