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Finding the Fourth Proportional to 141,696.97, 212,573.48 and 40,495.93

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Solution

The fourth proportional to 141,696.97, 212,573.48 and 40,495.93 is: 60,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,696.97 : 212,573.48 = 40,495.93 : x
  2. Step 2: Convert to fraction form
    141,696.97/212,573.48 = 40,495.93/x
  3. Step 3: Cross multiply
    141,696.97x = 212,573.48 × 40,495.93
  4. Step 4: Simplify right side
    141,696.97x = 8,608,360,032.02
  5. Step 5: Solve for x
    x = 8,608,360,032.02/141,696.97
  6. Step 6: Final answer
    x = 60,751.90

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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.