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Finding the Fourth Proportional to 173,406.38, 260,109.51 and 48,747.38

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Solution

The fourth proportional to 173,406.38, 260,109.51 and 48,747.38 is: 73,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406.38 : 260,109.51 = 48,747.38 : x
  2. Step 2: Convert to fraction form
    173,406.38/260,109.51 = 48,747.38/x
  3. Step 3: Cross multiply
    173,406.38x = 260,109.51 × 48,747.38
  4. Step 4: Simplify right side
    173,406.38x = 12,679,657,125.58
  5. Step 5: Solve for x
    x = 12,679,657,125.58/173,406.38
  6. Step 6: Final answer
    x = 73,121.05

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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.