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Finding the Fourth Proportional to 102,523.20, 153,770.40 and 32,409.60

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Solution

The fourth proportional to 102,523.20, 153,770.40 and 32,409.60 is: 48,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,523.20 : 153,770.40 = 32,409.60 : x
  2. Step 2: Convert to fraction form
    102,523.20/153,770.40 = 32,409.60/x
  3. Step 3: Cross multiply
    102,523.20x = 153,770.40 × 32,409.60
  4. Step 4: Simplify right side
    102,523.20x = 4,983,637,155.84
  5. Step 5: Solve for x
    x = 4,983,637,155.84/102,523.20
  6. Step 6: Final answer
    x = 48,609.85

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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.