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Finding the Fourth Proportional to 147,014.60, 220,521.90 and 100,358.60

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Solution

The fourth proportional to 147,014.60, 220,521.90 and 100,358.60 is: 150,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,014.60 : 220,521.90 = 100,358.60 : x
  2. Step 2: Convert to fraction form
    147,014.60/220,521.90 = 100,358.60/x
  3. Step 3: Cross multiply
    147,014.60x = 220,521.90 × 100,358.60
  4. Step 4: Simplify right side
    147,014.60x = 22,131,269,153.34
  5. Step 5: Solve for x
    x = 22,131,269,153.34/147,014.60
  6. Step 6: Final answer
    x = 150,537.90

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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.