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Finding the Fourth Proportional to 174,697.60, 262,046.40 and 74,840.80

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Solution

The fourth proportional to 174,697.60, 262,046.40 and 74,840.80 is: 112,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,697.60 : 262,046.40 = 74,840.80 : x
  2. Step 2: Convert to fraction form
    174,697.60/262,046.40 = 74,840.80/x
  3. Step 3: Cross multiply
    174,697.60x = 262,046.40 × 74,840.80
  4. Step 4: Simplify right side
    174,697.60x = 19,611,762,213.12
  5. Step 5: Solve for x
    x = 19,611,762,213.12/174,697.60
  6. Step 6: Final answer
    x = 112,261.20

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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.