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Finding the Fourth Proportional to 141,201.66, 211,802.57 and 88,648.05

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Solution

The fourth proportional to 141,201.66, 211,802.57 and 88,648.05 is: 132,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,201.66 : 211,802.57 = 88,648.05 : x
  2. Step 2: Convert to fraction form
    141,201.66/211,802.57 = 88,648.05/x
  3. Step 3: Cross multiply
    141,201.66x = 211,802.57 × 88,648.05
  4. Step 4: Simplify right side
    141,201.66x = 18,775,884,815.49
  5. Step 5: Solve for x
    x = 18,775,884,815.49/141,201.66
  6. Step 6: Final answer
    x = 132,972.13

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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.