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Finding the Fourth Proportional to 238,520.41, 357,693.13 and 69,997.48

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Solution

The fourth proportional to 238,520.41, 357,693.13 and 69,997.48 is: 104,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,520.41 : 357,693.13 = 69,997.48 : x
  2. Step 2: Convert to fraction form
    238,520.41/357,693.13 = 69,997.48/x
  3. Step 3: Cross multiply
    238,520.41x = 357,693.13 × 69,997.48
  4. Step 4: Simplify right side
    238,520.41x = 25,037,616,906.58
  5. Step 5: Solve for x
    x = 25,037,616,906.58/238,520.41
  6. Step 6: Final answer
    x = 104,970.54

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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.