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Finding the Fourth Proportional to 173,318.97, 259,977.76 and 54,999.53

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Solution

The fourth proportional to 173,318.97, 259,977.76 and 54,999.53 is: 82,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,318.97 : 259,977.76 = 54,999.53 : x
  2. Step 2: Convert to fraction form
    173,318.97/259,977.76 = 54,999.53/x
  3. Step 3: Cross multiply
    173,318.97x = 259,977.76 × 54,999.53
  4. Step 4: Simplify right side
    173,318.97x = 14,298,654,610.45
  5. Step 5: Solve for x
    x = 14,298,654,610.45/173,318.97
  6. Step 6: Final answer
    x = 82,499.07

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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.