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Finding the Fourth Proportional to 435,139.22, 652,692.42 and 119,587.92

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Solution

The fourth proportional to 435,139.22, 652,692.42 and 119,587.92 is: 179,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,139.22 : 652,692.42 = 119,587.92 : x
  2. Step 2: Convert to fraction form
    435,139.22/652,692.42 = 119,587.92/x
  3. Step 3: Cross multiply
    435,139.22x = 652,692.42 × 119,587.92
  4. Step 4: Simplify right side
    435,139.22x = 78,054,128,907.57
  5. Step 5: Solve for x
    x = 78,054,128,907.57/435,139.22
  6. Step 6: Final answer
    x = 179,377.37

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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.