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Finding the Fourth Proportional to 140,706.56, 211,104 and 61,887.04

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Solution

The fourth proportional to 140,706.56, 211,104 and 61,887.04 is: 92,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,706.56 : 211,104 = 61,887.04 : x
  2. Step 2: Convert to fraction form
    140,706.56/211,104 = 61,887.04/x
  3. Step 3: Cross multiply
    140,706.56x = 211,104 × 61,887.04
  4. Step 4: Simplify right side
    140,706.56x = 13,064,601,692.16
  5. Step 5: Solve for x
    x = 13,064,601,692.16/140,706.56
  6. Step 6: Final answer
    x = 92,849.98

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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.