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Finding the Fourth Proportional to 247,542.81, 371,328.45 and 70,034.94

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Solution

The fourth proportional to 247,542.81, 371,328.45 and 70,034.94 is: 105,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,542.81 : 371,328.45 = 70,034.94 : x
  2. Step 2: Convert to fraction form
    247,542.81/371,328.45 = 70,034.94/x
  3. Step 3: Cross multiply
    247,542.81x = 371,328.45 × 70,034.94
  4. Step 4: Simplify right side
    247,542.81x = 26,005,965,716.04
  5. Step 5: Solve for x
    x = 26,005,965,716.04/247,542.81
  6. Step 6: Final answer
    x = 105,056.44

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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.