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Finding the Fourth Proportional to 133,044.60, 199,566.90 and 103,301.40

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Solution

The fourth proportional to 133,044.60, 199,566.90 and 103,301.40 is: 154,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.60 : 199,566.90 = 103,301.40 : x
  2. Step 2: Convert to fraction form
    133,044.60/199,566.90 = 103,301.40/x
  3. Step 3: Cross multiply
    133,044.60x = 199,566.90 × 103,301.40
  4. Step 4: Simplify right side
    133,044.60x = 20,615,540,163.66
  5. Step 5: Solve for x
    x = 20,615,540,163.66/133,044.60
  6. Step 6: Final answer
    x = 154,952.10

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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.