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Finding the Fourth Proportional to 124,003.40, 185,990.70 and 35,270.60

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Solution

The fourth proportional to 124,003.40, 185,990.70 and 35,270.60 is: 52,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,003.40 : 185,990.70 = 35,270.60 : x
  2. Step 2: Convert to fraction form
    124,003.40/185,990.70 = 35,270.60/x
  3. Step 3: Cross multiply
    124,003.40x = 185,990.70 × 35,270.60
  4. Step 4: Simplify right side
    124,003.40x = 6,560,003,583.42
  5. Step 5: Solve for x
    x = 6,560,003,583.42/124,003.40
  6. Step 6: Final answer
    x = 52,901.80

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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.