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Finding the Fourth Proportional to 188,840.70, 283,261.05 and 173,094.30

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Solution

The fourth proportional to 188,840.70, 283,261.05 and 173,094.30 is: 259,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,840.70 : 283,261.05 = 173,094.30 : x
  2. Step 2: Convert to fraction form
    188,840.70/283,261.05 = 173,094.30/x
  3. Step 3: Cross multiply
    188,840.70x = 283,261.05 × 173,094.30
  4. Step 4: Simplify right side
    188,840.70x = 49,030,873,167.02
  5. Step 5: Solve for x
    x = 49,030,873,167.02/188,840.70
  6. Step 6: Final answer
    x = 259,641.45

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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.