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Finding the Fourth Proportional to 239,893.41, 359,840.07 and 71,416.20

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Solution

The fourth proportional to 239,893.41, 359,840.07 and 71,416.20 is: 107,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,893.41 : 359,840.07 = 71,416.20 : x
  2. Step 2: Convert to fraction form
    239,893.41/359,840.07 = 71,416.20/x
  3. Step 3: Cross multiply
    239,893.41x = 359,840.07 × 71,416.20
  4. Step 4: Simplify right side
    239,893.41x = 25,698,410,407.13
  5. Step 5: Solve for x
    x = 25,698,410,407.13/239,893.41
  6. Step 6: Final answer
    x = 107,124.29

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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.