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Finding the Fourth Proportional to 71,052.27, 105,960.84 and 70,098.89

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Solution

The fourth proportional to 71,052.27, 105,960.84 and 70,098.89 is: 104,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,052.27 : 105,960.84 = 70,098.89 : x
  2. Step 2: Convert to fraction form
    71,052.27/105,960.84 = 70,098.89/x
  3. Step 3: Cross multiply
    71,052.27x = 105,960.84 × 70,098.89
  4. Step 4: Simplify right side
    71,052.27x = 7,427,736,737.66
  5. Step 5: Solve for x
    x = 7,427,736,737.66/71,052.27
  6. Step 6: Final answer
    x = 104,539.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.