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Finding the Fourth Proportional to 147,846.60, 221,769.90 and 88,651.80

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Solution

The fourth proportional to 147,846.60, 221,769.90 and 88,651.80 is: 132,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,846.60 : 221,769.90 = 88,651.80 : x
  2. Step 2: Convert to fraction form
    147,846.60/221,769.90 = 88,651.80/x
  3. Step 3: Cross multiply
    147,846.60x = 221,769.90 × 88,651.80
  4. Step 4: Simplify right side
    147,846.60x = 19,660,300,820.82
  5. Step 5: Solve for x
    x = 19,660,300,820.82/147,846.60
  6. Step 6: Final answer
    x = 132,977.70

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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.