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Finding the Fourth Proportional to 104,531.60, 156,797.40 and 102,803.60

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Solution

The fourth proportional to 104,531.60, 156,797.40 and 102,803.60 is: 154,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,531.60 : 156,797.40 = 102,803.60 : x
  2. Step 2: Convert to fraction form
    104,531.60/156,797.40 = 102,803.60/x
  3. Step 3: Cross multiply
    104,531.60x = 156,797.40 × 102,803.60
  4. Step 4: Simplify right side
    104,531.60x = 16,119,337,190.64
  5. Step 5: Solve for x
    x = 16,119,337,190.64/104,531.60
  6. Step 6: Final answer
    x = 154,205.40

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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.