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Finding the Fourth Proportional to 71,053.81, 98,052.93 and 39,222.02

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Solution

The fourth proportional to 71,053.81, 98,052.93 and 39,222.02 is: 54,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.81 : 98,052.93 = 39,222.02 : x
  2. Step 2: Convert to fraction form
    71,053.81/98,052.93 = 39,222.02/x
  3. Step 3: Cross multiply
    71,053.81x = 98,052.93 × 39,222.02
  4. Step 4: Simplify right side
    71,053.81x = 3,845,834,226.65
  5. Step 5: Solve for x
    x = 3,845,834,226.65/71,053.81
  6. Step 6: Final answer
    x = 54,125.66

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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.