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Finding the Fourth Proportional to 70,369.14, 105,304.40 and 62,065.38

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Solution

The fourth proportional to 70,369.14, 105,304.40 and 62,065.38 is: 92,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,369.14 : 105,304.40 = 62,065.38 : x
  2. Step 2: Convert to fraction form
    70,369.14/105,304.40 = 62,065.38/x
  3. Step 3: Cross multiply
    70,369.14x = 105,304.40 × 62,065.38
  4. Step 4: Simplify right side
    70,369.14x = 6,535,757,601.67
  5. Step 5: Solve for x
    x = 6,535,757,601.67/70,369.14
  6. Step 6: Final answer
    x = 92,878.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.