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Finding the Fourth Proportional to 178,459.20, 246,286.22 and 101,989.58

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Solution

The fourth proportional to 178,459.20, 246,286.22 and 101,989.58 is: 140,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,459.20 : 246,286.22 = 101,989.58 : x
  2. Step 2: Convert to fraction form
    178,459.20/246,286.22 = 101,989.58/x
  3. Step 3: Cross multiply
    178,459.20x = 246,286.22 × 101,989.58
  4. Step 4: Simplify right side
    178,459.20x = 25,118,626,396.21
  5. Step 5: Solve for x
    x = 25,118,626,396.21/178,459.20
  6. Step 6: Final answer
    x = 140,752.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.