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Finding the Fourth Proportional to 141,200.91, 211,801.45 and 88,647.30

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Solution

The fourth proportional to 141,200.91, 211,801.45 and 88,647.30 is: 132,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,200.91 : 211,801.45 = 88,647.30 : x
  2. Step 2: Convert to fraction form
    141,200.91/211,801.45 = 88,647.30/x
  3. Step 3: Cross multiply
    141,200.91x = 211,801.45 × 88,647.30
  4. Step 4: Simplify right side
    141,200.91x = 18,775,626,456.97
  5. Step 5: Solve for x
    x = 18,775,626,456.97/141,200.91
  6. Step 6: Final answer
    x = 132,971.00

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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.