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Finding the Fourth Proportional to 173,048.40, 259,548.30 and 54,731.70

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Solution

The fourth proportional to 173,048.40, 259,548.30 and 54,731.70 is: 82,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,048.40 : 259,548.30 = 54,731.70 : x
  2. Step 2: Convert to fraction form
    173,048.40/259,548.30 = 54,731.70/x
  3. Step 3: Cross multiply
    173,048.40x = 259,548.30 × 54,731.70
  4. Step 4: Simplify right side
    173,048.40x = 14,205,519,691.11
  5. Step 5: Solve for x
    x = 14,205,519,691.11/173,048.40
  6. Step 6: Final answer
    x = 82,089.86

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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.