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Finding the Fourth Proportional to 52,903.80, 79,236.54 and 37,178.64

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Solution

The fourth proportional to 52,903.80, 79,236.54 and 37,178.64 is: 55,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.80 : 79,236.54 = 37,178.64 : x
  2. Step 2: Convert to fraction form
    52,903.80/79,236.54 = 37,178.64/x
  3. Step 3: Cross multiply
    52,903.80x = 79,236.54 × 37,178.64
  4. Step 4: Simplify right side
    52,903.80x = 2,945,906,795.51
  5. Step 5: Solve for x
    x = 2,945,906,795.51/52,903.80
  6. Step 6: Final answer
    x = 55,684.22

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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.