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Finding the Fourth Proportional to 173,156.40, 259,710.30 and 54,839.70

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Solution

The fourth proportional to 173,156.40, 259,710.30 and 54,839.70 is: 82,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,156.40 : 259,710.30 = 54,839.70 : x
  2. Step 2: Convert to fraction form
    173,156.40/259,710.30 = 54,839.70/x
  3. Step 3: Cross multiply
    173,156.40x = 259,710.30 × 54,839.70
  4. Step 4: Simplify right side
    173,156.40x = 14,242,434,938.91
  5. Step 5: Solve for x
    x = 14,242,434,938.91/173,156.40
  6. Step 6: Final answer
    x = 82,251.85

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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.