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Finding the Fourth Proportional to 175,008.60, 262,518.30 and 68,388.03

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Solution

The fourth proportional to 175,008.60, 262,518.30 and 68,388.03 is: 102,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,008.60 : 262,518.30 = 68,388.03 : x
  2. Step 2: Convert to fraction form
    175,008.60/262,518.30 = 68,388.03/x
  3. Step 3: Cross multiply
    175,008.60x = 262,518.30 × 68,388.03
  4. Step 4: Simplify right side
    175,008.60x = 17,953,109,375.95
  5. Step 5: Solve for x
    x = 17,953,109,375.95/175,008.60
  6. Step 6: Final answer
    x = 102,584.16

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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.