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Finding the Fourth Proportional to 104,544.60, 156,816.90 and 25,657.80

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Solution

The fourth proportional to 104,544.60, 156,816.90 and 25,657.80 is: 38,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,544.60 : 156,816.90 = 25,657.80 : x
  2. Step 2: Convert to fraction form
    104,544.60/156,816.90 = 25,657.80/x
  3. Step 3: Cross multiply
    104,544.60x = 156,816.90 × 25,657.80
  4. Step 4: Simplify right side
    104,544.60x = 4,023,576,656.82
  5. Step 5: Solve for x
    x = 4,023,576,656.82/104,544.60
  6. Step 6: Final answer
    x = 38,486.70

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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.