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Finding the Fourth Proportional to 235,605.89, 325,111.85 and 140,094.13

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Solution

The fourth proportional to 235,605.89, 325,111.85 and 140,094.13 is: 193,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,605.89 : 325,111.85 = 140,094.13 : x
  2. Step 2: Convert to fraction form
    235,605.89/325,111.85 = 140,094.13/x
  3. Step 3: Cross multiply
    235,605.89x = 325,111.85 × 140,094.13
  4. Step 4: Simplify right side
    235,605.89x = 45,546,261,778.44
  5. Step 5: Solve for x
    x = 45,546,261,778.44/235,605.89
  6. Step 6: Final answer
    x = 193,315.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.