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Finding the Fourth Proportional to 371,377.80, 557,034.30 and 122,059.80

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Solution

The fourth proportional to 371,377.80, 557,034.30 and 122,059.80 is: 183,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,377.80 : 557,034.30 = 122,059.80 : x
  2. Step 2: Convert to fraction form
    371,377.80/557,034.30 = 122,059.80/x
  3. Step 3: Cross multiply
    371,377.80x = 557,034.30 × 122,059.80
  4. Step 4: Simplify right side
    371,377.80x = 67,991,495,251.14
  5. Step 5: Solve for x
    x = 67,991,495,251.14/371,377.80
  6. Step 6: Final answer
    x = 183,079.05

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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.