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Finding the Fourth Proportional to 104,003.30, 156,120.15 and 97,235.30

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Solution

The fourth proportional to 104,003.30, 156,120.15 and 97,235.30 is: 145,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,003.30 : 156,120.15 = 97,235.30 : x
  2. Step 2: Convert to fraction form
    104,003.30/156,120.15 = 97,235.30/x
  3. Step 3: Cross multiply
    104,003.30x = 156,120.15 × 97,235.30
  4. Step 4: Simplify right side
    104,003.30x = 15,180,389,621.30
  5. Step 5: Solve for x
    x = 15,180,389,621.30/104,003.30
  6. Step 6: Final answer
    x = 145,960.65

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1.5x scale

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.