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Finding the Fourth Proportional to 173,838.60, 260,429.85 and 162,028.80

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Solution

The fourth proportional to 173,838.60, 260,429.85 and 162,028.80 is: 242,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,838.60 : 260,429.85 = 162,028.80 : x
  2. Step 2: Convert to fraction form
    173,838.60/260,429.85 = 162,028.80/x
  3. Step 3: Cross multiply
    173,838.60x = 260,429.85 × 162,028.80
  4. Step 4: Simplify right side
    173,838.60x = 42,197,136,079.68
  5. Step 5: Solve for x
    x = 42,197,136,079.68/173,838.60
  6. Step 6: Final answer
    x = 242,737.44

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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.