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Finding the Fourth Proportional to 140,692.96, 211,031.88 and 35,512.84

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Solution

The fourth proportional to 140,692.96, 211,031.88 and 35,512.84 is: 53,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,692.96 : 211,031.88 = 35,512.84 : x
  2. Step 2: Convert to fraction form
    140,692.96/211,031.88 = 35,512.84/x
  3. Step 3: Cross multiply
    140,692.96x = 211,031.88 × 35,512.84
  4. Step 4: Simplify right side
    140,692.96x = 7,494,341,389.34
  5. Step 5: Solve for x
    x = 7,494,341,389.34/140,692.96
  6. Step 6: Final answer
    x = 53,267.35

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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.