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Finding the Fourth Proportional to 145,794.90, 218,692.26 and 112,563.48

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Solution

The fourth proportional to 145,794.90, 218,692.26 and 112,563.48 is: 168,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,794.90 : 218,692.26 = 112,563.48 : x
  2. Step 2: Convert to fraction form
    145,794.90/218,692.26 = 112,563.48/x
  3. Step 3: Cross multiply
    145,794.90x = 218,692.26 × 112,563.48
  4. Step 4: Simplify right side
    145,794.90x = 24,616,761,834.66
  5. Step 5: Solve for x
    x = 24,616,761,834.66/145,794.90
  6. Step 6: Final answer
    x = 168,845.15

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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.