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Finding the Fourth Proportional to 171,937.80, 237,813.30 and 152,065.80

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Solution

The fourth proportional to 171,937.80, 237,813.30 and 152,065.80 is: 210,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,937.80 : 237,813.30 = 152,065.80 : x
  2. Step 2: Convert to fraction form
    171,937.80/237,813.30 = 152,065.80/x
  3. Step 3: Cross multiply
    171,937.80x = 237,813.30 × 152,065.80
  4. Step 4: Simplify right side
    171,937.80x = 36,163,269,715.14
  5. Step 5: Solve for x
    x = 36,163,269,715.14/171,937.80
  6. Step 6: Final answer
    x = 210,327.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.