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Finding the Fourth Proportional to 133,373.17, 184,058.60 and 72,947.39

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Solution

The fourth proportional to 133,373.17, 184,058.60 and 72,947.39 is: 100,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,373.17 : 184,058.60 = 72,947.39 : x
  2. Step 2: Convert to fraction form
    133,373.17/184,058.60 = 72,947.39/x
  3. Step 3: Cross multiply
    133,373.17x = 184,058.60 × 72,947.39
  4. Step 4: Simplify right side
    133,373.17x = 13,426,593,807.52
  5. Step 5: Solve for x
    x = 13,426,593,807.52/133,373.17
  6. Step 6: Final answer
    x = 100,669.38

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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.