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Finding the Fourth Proportional to 149,234.67, 223,781.81 and 60,420.60

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Solution

The fourth proportional to 149,234.67, 223,781.81 and 60,420.60 is: 90,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,234.67 : 223,781.81 = 60,420.60 : x
  2. Step 2: Convert to fraction form
    149,234.67/223,781.81 = 60,420.60/x
  3. Step 3: Cross multiply
    149,234.67x = 223,781.81 × 60,420.60
  4. Step 4: Simplify right side
    149,234.67x = 13,521,030,927.18
  5. Step 5: Solve for x
    x = 13,521,030,927.18/149,234.67
  6. Step 6: Final answer
    x = 90,602.48

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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.