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Finding the Fourth Proportional to 187,160.49, 280,699.44 and 54,011.80

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Solution

The fourth proportional to 187,160.49, 280,699.44 and 54,011.80 is: 81,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,160.49 : 280,699.44 = 54,011.80 : x
  2. Step 2: Convert to fraction form
    187,160.49/280,699.44 = 54,011.80/x
  3. Step 3: Cross multiply
    187,160.49x = 280,699.44 × 54,011.80
  4. Step 4: Simplify right side
    187,160.49x = 15,161,082,013.39
  5. Step 5: Solve for x
    x = 15,161,082,013.39/187,160.49
  6. Step 6: Final answer
    x = 81,005.78

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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.