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Finding the Fourth Proportional to 183,840.96, 253,726.08 and 103,274.64

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Solution

The fourth proportional to 183,840.96, 253,726.08 and 103,274.64 is: 142,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,840.96 : 253,726.08 = 103,274.64 : x
  2. Step 2: Convert to fraction form
    183,840.96/253,726.08 = 103,274.64/x
  3. Step 3: Cross multiply
    183,840.96x = 253,726.08 × 103,274.64
  4. Step 4: Simplify right side
    183,840.96x = 26,203,469,570.61
  5. Step 5: Solve for x
    x = 26,203,469,570.61/183,840.96
  6. Step 6: Final answer
    x = 142,533.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.