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Finding the Fourth Proportional to 173,893.70, 260,840.55 and 163,396.10

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Solution

The fourth proportional to 173,893.70, 260,840.55 and 163,396.10 is: 245,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,893.70 : 260,840.55 = 163,396.10 : x
  2. Step 2: Convert to fraction form
    173,893.70/260,840.55 = 163,396.10/x
  3. Step 3: Cross multiply
    173,893.70x = 260,840.55 × 163,396.10
  4. Step 4: Simplify right side
    173,893.70x = 42,620,328,591.86
  5. Step 5: Solve for x
    x = 42,620,328,591.86/173,893.70
  6. Step 6: Final answer
    x = 245,094.15

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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.