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Finding the Fourth Proportional to 182,572.80, 273,859.20 and 103,840.80

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Solution

The fourth proportional to 182,572.80, 273,859.20 and 103,840.80 is: 155,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,572.80 : 273,859.20 = 103,840.80 : x
  2. Step 2: Convert to fraction form
    182,572.80/273,859.20 = 103,840.80/x
  3. Step 3: Cross multiply
    182,572.80x = 273,859.20 × 103,840.80
  4. Step 4: Simplify right side
    182,572.80x = 28,437,758,415.36
  5. Step 5: Solve for x
    x = 28,437,758,415.36/182,572.80
  6. Step 6: Final answer
    x = 155,761.20

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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.