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Finding the Fourth Proportional to 134,041.72, 184,977.80 and 73,616.26

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Solution

The fourth proportional to 134,041.72, 184,977.80 and 73,616.26 is: 101,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,041.72 : 184,977.80 = 73,616.26 : x
  2. Step 2: Convert to fraction form
    134,041.72/184,977.80 = 73,616.26/x
  3. Step 3: Cross multiply
    134,041.72x = 184,977.80 × 73,616.26
  4. Step 4: Simplify right side
    134,041.72x = 13,617,373,819.03
  5. Step 5: Solve for x
    x = 13,617,373,819.03/134,041.72
  6. Step 6: Final answer
    x = 101,590.56

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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.