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Finding the Fourth Proportional to 98,357.58, 135,694.62 and 60,566.22

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Solution

The fourth proportional to 98,357.58, 135,694.62 and 60,566.22 is: 83,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,357.58 : 135,694.62 = 60,566.22 : x
  2. Step 2: Convert to fraction form
    98,357.58/135,694.62 = 60,566.22/x
  3. Step 3: Cross multiply
    98,357.58x = 135,694.62 × 60,566.22
  4. Step 4: Simplify right side
    98,357.58x = 8,218,510,207.74
  5. Step 5: Solve for x
    x = 8,218,510,207.74/98,357.58
  6. Step 6: Final answer
    x = 83,557.47

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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.