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Finding the Fourth Proportional to 127,893.60, 191,840.10 and 34,399.44

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Solution

The fourth proportional to 127,893.60, 191,840.10 and 34,399.44 is: 51,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,893.60 : 191,840.10 = 34,399.44 : x
  2. Step 2: Convert to fraction form
    127,893.60/191,840.10 = 34,399.44/x
  3. Step 3: Cross multiply
    127,893.60x = 191,840.10 × 34,399.44
  4. Step 4: Simplify right side
    127,893.60x = 6,599,192,009.54
  5. Step 5: Solve for x
    x = 6,599,192,009.54/127,893.60
  6. Step 6: Final answer
    x = 51,599.08

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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.