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Finding the Fourth Proportional to 174,105.17, 261,216.17 and 67,492.60

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Solution

The fourth proportional to 174,105.17, 261,216.17 and 67,492.60 is: 101,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,105.17 : 261,216.17 = 67,492.60 : x
  2. Step 2: Convert to fraction form
    174,105.17/261,216.17 = 67,492.60/x
  3. Step 3: Cross multiply
    174,105.17x = 261,216.17 × 67,492.60
  4. Step 4: Simplify right side
    174,105.17x = 17,630,159,954.26
  5. Step 5: Solve for x
    x = 17,630,159,954.26/174,105.17
  6. Step 6: Final answer
    x = 101,261.55

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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.