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Finding the Fourth Proportional to 104,613.37, 156,918.67 and 25,728.28

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Solution

The fourth proportional to 104,613.37, 156,918.67 and 25,728.28 is: 38,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,613.37 : 156,918.67 = 25,728.28 : x
  2. Step 2: Convert to fraction form
    104,613.37/156,918.67 = 25,728.28/x
  3. Step 3: Cross multiply
    104,613.37x = 156,918.67 × 25,728.28
  4. Step 4: Simplify right side
    104,613.37x = 4,037,247,478.99
  5. Step 5: Solve for x
    x = 4,037,247,478.99/104,613.37
  6. Step 6: Final answer
    x = 38,592.08

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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.