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Finding the Fourth Proportional to 149,214, 223,883.64 and 60,530.88

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Solution

The fourth proportional to 149,214, 223,883.64 and 60,530.88 is: 90,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,214 : 223,883.64 = 60,530.88 : x
  2. Step 2: Convert to fraction form
    149,214/223,883.64 = 60,530.88/x
  3. Step 3: Cross multiply
    149,214x = 223,883.64 × 60,530.88
  4. Step 4: Simplify right side
    149,214x = 13,551,873,746.80
  5. Step 5: Solve for x
    x = 13,551,873,746.80/149,214
  6. Step 6: Final answer
    x = 90,821.73

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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.