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Finding the Fourth Proportional to 133,044.10, 199,566.15 and 103,300.90

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Solution

The fourth proportional to 133,044.10, 199,566.15 and 103,300.90 is: 154,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.10 : 199,566.15 = 103,300.90 : x
  2. Step 2: Convert to fraction form
    133,044.10/199,566.15 = 103,300.90/x
  3. Step 3: Cross multiply
    133,044.10x = 199,566.15 × 103,300.90
  4. Step 4: Simplify right side
    133,044.10x = 20,615,362,904.54
  5. Step 5: Solve for x
    x = 20,615,362,904.54/133,044.10
  6. Step 6: Final answer
    x = 154,951.35

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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.