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Finding the Fourth Proportional to 71,053.94, 98,053.26 and 39,222.02

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Solution

The fourth proportional to 71,053.94, 98,053.26 and 39,222.02 is: 54,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.94 : 98,053.26 = 39,222.02 : x
  2. Step 2: Convert to fraction form
    71,053.94/98,053.26 = 39,222.02/x
  3. Step 3: Cross multiply
    71,053.94x = 98,053.26 × 39,222.02
  4. Step 4: Simplify right side
    71,053.94x = 3,845,846,924.79
  5. Step 5: Solve for x
    x = 3,845,846,924.79/71,053.94
  6. Step 6: Final answer
    x = 54,125.74

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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.