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Finding the Fourth Proportional to 149,262.80, 223,602.60 and 89,922.20

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Solution

The fourth proportional to 149,262.80, 223,602.60 and 89,922.20 is: 134,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,262.80 : 223,602.60 = 89,922.20 : x
  2. Step 2: Convert to fraction form
    149,262.80/223,602.60 = 89,922.20/x
  3. Step 3: Cross multiply
    149,262.80x = 223,602.60 × 89,922.20
  4. Step 4: Simplify right side
    149,262.80x = 20,106,837,717.72
  5. Step 5: Solve for x
    x = 20,106,837,717.72/149,262.80
  6. Step 6: Final answer
    x = 134,707.63

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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.