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Finding the Fourth Proportional to 185,903.76, 278,866.26 and 52,773.60

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Solution

The fourth proportional to 185,903.76, 278,866.26 and 52,773.60 is: 79,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,903.76 : 278,866.26 = 52,773.60 : x
  2. Step 2: Convert to fraction form
    185,903.76/278,866.26 = 52,773.60/x
  3. Step 3: Cross multiply
    185,903.76x = 278,866.26 × 52,773.60
  4. Step 4: Simplify right side
    185,903.76x = 14,716,776,458.74
  5. Step 5: Solve for x
    x = 14,716,776,458.74/185,903.76
  6. Step 6: Final answer
    x = 79,163.41

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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.