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Finding the Fourth Proportional to 252,053.70, 378,037.35 and 94,200.90

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Solution

The fourth proportional to 252,053.70, 378,037.35 and 94,200.90 is: 141,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,053.70 : 378,037.35 = 94,200.90 : x
  2. Step 2: Convert to fraction form
    252,053.70/378,037.35 = 94,200.90/x
  3. Step 3: Cross multiply
    252,053.70x = 378,037.35 × 94,200.90
  4. Step 4: Simplify right side
    252,053.70x = 35,611,458,603.62
  5. Step 5: Solve for x
    x = 35,611,458,603.62/252,053.70
  6. Step 6: Final answer
    x = 141,285.20

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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.