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Finding the Fourth Proportional to 70,336.50, 105,530.67 and 37,055.22

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Solution

The fourth proportional to 70,336.50, 105,530.67 and 37,055.22 is: 55,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,336.50 : 105,530.67 = 37,055.22 : x
  2. Step 2: Convert to fraction form
    70,336.50/105,530.67 = 37,055.22/x
  3. Step 3: Cross multiply
    70,336.50x = 105,530.67 × 37,055.22
  4. Step 4: Simplify right side
    70,336.50x = 3,910,462,193.60
  5. Step 5: Solve for x
    x = 3,910,462,193.60/70,336.50
  6. Step 6: Final answer
    x = 55,596.49

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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.