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Finding the Fourth Proportional to 173,874.30, 260,746.65 and 61,511.10

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Solution

The fourth proportional to 173,874.30, 260,746.65 and 61,511.10 is: 92,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,874.30 : 260,746.65 = 61,511.10 : x
  2. Step 2: Convert to fraction form
    173,874.30/260,746.65 = 61,511.10/x
  3. Step 3: Cross multiply
    173,874.30x = 260,746.65 × 61,511.10
  4. Step 4: Simplify right side
    173,874.30x = 16,038,813,262.82
  5. Step 5: Solve for x
    x = 16,038,813,262.82/173,874.30
  6. Step 6: Final answer
    x = 92,243.73

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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.