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Finding the Fourth Proportional to 115,737.83, 173,323.62 and 104,518.52

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Solution

The fourth proportional to 115,737.83, 173,323.62 and 104,518.52 is: 156,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,737.83 : 173,323.62 = 104,518.52 : x
  2. Step 2: Convert to fraction form
    115,737.83/173,323.62 = 104,518.52/x
  3. Step 3: Cross multiply
    115,737.83x = 173,323.62 × 104,518.52
  4. Step 4: Simplify right side
    115,737.83x = 18,115,528,243.44
  5. Step 5: Solve for x
    x = 18,115,528,243.44/115,737.83
  6. Step 6: Final answer
    x = 156,522.10

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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.