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Finding the Fourth Proportional to 227,990.25, 341,985.42 and 61,778.25

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Solution

The fourth proportional to 227,990.25, 341,985.42 and 61,778.25 is: 92,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,990.25 : 341,985.42 = 61,778.25 : x
  2. Step 2: Convert to fraction form
    227,990.25/341,985.42 = 61,778.25/x
  3. Step 3: Cross multiply
    227,990.25x = 341,985.42 × 61,778.25
  4. Step 4: Simplify right side
    227,990.25x = 21,127,260,773.12
  5. Step 5: Solve for x
    x = 21,127,260,773.12/227,990.25
  6. Step 6: Final answer
    x = 92,667.39

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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.