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Finding the Fourth Proportional to 133,044.90, 199,664.55 and 88,656.90

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Solution

The fourth proportional to 133,044.90, 199,664.55 and 88,656.90 is: 133,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.90 : 199,664.55 = 88,656.90 : x
  2. Step 2: Convert to fraction form
    133,044.90/199,664.55 = 88,656.90/x
  3. Step 3: Cross multiply
    133,044.90x = 199,664.55 × 88,656.90
  4. Step 4: Simplify right side
    133,044.90x = 17,701,640,042.90
  5. Step 5: Solve for x
    x = 17,701,640,042.90/133,044.90
  6. Step 6: Final answer
    x = 133,050.12

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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.