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Finding the Fourth Proportional to 156,692.69, 235,132.43 and 56,860.67

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Solution

The fourth proportional to 156,692.69, 235,132.43 and 56,860.67 is: 85,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,692.69 : 235,132.43 = 56,860.67 : x
  2. Step 2: Convert to fraction form
    156,692.69/235,132.43 = 56,860.67/x
  3. Step 3: Cross multiply
    156,692.69x = 235,132.43 × 56,860.67
  4. Step 4: Simplify right side
    156,692.69x = 13,369,787,224.22
  5. Step 5: Solve for x
    x = 13,369,787,224.22/156,692.69
  6. Step 6: Final answer
    x = 85,324.89

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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.