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Finding the Fourth Proportional to 173,148.30, 259,730.55 and 54,828.90

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Solution

The fourth proportional to 173,148.30, 259,730.55 and 54,828.90 is: 82,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,148.30 : 259,730.55 = 54,828.90 : x
  2. Step 2: Convert to fraction form
    173,148.30/259,730.55 = 54,828.90/x
  3. Step 3: Cross multiply
    173,148.30x = 259,730.55 × 54,828.90
  4. Step 4: Simplify right side
    173,148.30x = 14,240,740,352.90
  5. Step 5: Solve for x
    x = 14,240,740,352.90/173,148.30
  6. Step 6: Final answer
    x = 82,245.91

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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.