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Finding the Fourth Proportional to 133,073.40, 199,610.10 and 124,260.60

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Solution

The fourth proportional to 133,073.40, 199,610.10 and 124,260.60 is: 186,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.40 : 199,610.10 = 124,260.60 : x
  2. Step 2: Convert to fraction form
    133,073.40/199,610.10 = 124,260.60/x
  3. Step 3: Cross multiply
    133,073.40x = 199,610.10 × 124,260.60
  4. Step 4: Simplify right side
    133,073.40x = 24,803,670,792.06
  5. Step 5: Solve for x
    x = 24,803,670,792.06/133,073.40
  6. Step 6: Final answer
    x = 186,390.90

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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.