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Finding the Fourth Proportional to 104,348.71, 143,841.44 and 63,987.63

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Solution

The fourth proportional to 104,348.71, 143,841.44 and 63,987.63 is: 88,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,348.71 : 143,841.44 = 63,987.63 : x
  2. Step 2: Convert to fraction form
    104,348.71/143,841.44 = 63,987.63/x
  3. Step 3: Cross multiply
    104,348.71x = 143,841.44 × 63,987.63
  4. Step 4: Simplify right side
    104,348.71x = 9,204,072,102.02
  5. Step 5: Solve for x
    x = 9,204,072,102.02/104,348.71
  6. Step 6: Final answer
    x = 88,204.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.