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Finding the Fourth Proportional to 187,332.80, 280,999.20 and 174,891.20

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Solution

The fourth proportional to 187,332.80, 280,999.20 and 174,891.20 is: 262,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,332.80 : 280,999.20 = 174,891.20 : x
  2. Step 2: Convert to fraction form
    187,332.80/280,999.20 = 174,891.20/x
  3. Step 3: Cross multiply
    187,332.80x = 280,999.20 × 174,891.20
  4. Step 4: Simplify right side
    187,332.80x = 49,144,287,287.04
  5. Step 5: Solve for x
    x = 49,144,287,287.04/187,332.80
  6. Step 6: Final answer
    x = 262,336.80

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1.5x scale

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.