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Finding the Fourth Proportional to 173,250.60, 260,070.30 and 133,981.80

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Solution

The fourth proportional to 173,250.60, 260,070.30 and 133,981.80 is: 201,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,250.60 : 260,070.30 = 133,981.80 : x
  2. Step 2: Convert to fraction form
    173,250.60/260,070.30 = 133,981.80/x
  3. Step 3: Cross multiply
    173,250.60x = 260,070.30 × 133,981.80
  4. Step 4: Simplify right side
    173,250.60x = 34,844,686,920.54
  5. Step 5: Solve for x
    x = 34,844,686,920.54/173,250.60
  6. Step 6: Final answer
    x = 201,123.04

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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.