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Finding the Fourth Proportional to 70,346.25, 105,545.30 and 37,064.97

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Solution

The fourth proportional to 70,346.25, 105,545.30 and 37,064.97 is: 55,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.25 : 105,545.30 = 37,064.97 : x
  2. Step 2: Convert to fraction form
    70,346.25/105,545.30 = 37,064.97/x
  3. Step 3: Cross multiply
    70,346.25x = 105,545.30 × 37,064.97
  4. Step 4: Simplify right side
    70,346.25x = 3,912,033,192.82
  5. Step 5: Solve for x
    x = 3,912,033,192.82/70,346.25
  6. Step 6: Final answer
    x = 55,611.11

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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.