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Finding the Fourth Proportional to 67,468.19, 101,184.62 and 20,070.52

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Solution

The fourth proportional to 67,468.19, 101,184.62 and 20,070.52 is: 30,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,468.19 : 101,184.62 = 20,070.52 : x
  2. Step 2: Convert to fraction form
    67,468.19/101,184.62 = 20,070.52/x
  3. Step 3: Cross multiply
    67,468.19x = 101,184.62 × 20,070.52
  4. Step 4: Simplify right side
    67,468.19x = 2,030,827,736.62
  5. Step 5: Solve for x
    x = 2,030,827,736.62/67,468.19
  6. Step 6: Final answer
    x = 30,100.52

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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.