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Finding the Fourth Proportional to 67,699.58, 101,607.70 and 32,668.70

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Solution

The fourth proportional to 67,699.58, 101,607.70 and 32,668.70 is: 49,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699.58 : 101,607.70 = 32,668.70 : x
  2. Step 2: Convert to fraction form
    67,699.58/101,607.70 = 32,668.70/x
  3. Step 3: Cross multiply
    67,699.58x = 101,607.70 × 32,668.70
  4. Step 4: Simplify right side
    67,699.58x = 3,319,391,468.99
  5. Step 5: Solve for x
    x = 3,319,391,468.99/67,699.58
  6. Step 6: Final answer
    x = 49,031.20

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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.