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Finding the Fourth Proportional to 134,019.98, 184,939.16 and 73,590.20

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Solution

The fourth proportional to 134,019.98, 184,939.16 and 73,590.20 is: 101,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,019.98 : 184,939.16 = 73,590.20 : x
  2. Step 2: Convert to fraction form
    134,019.98/184,939.16 = 73,590.20/x
  3. Step 3: Cross multiply
    134,019.98x = 184,939.16 × 73,590.20
  4. Step 4: Simplify right side
    134,019.98x = 13,609,708,479.59
  5. Step 5: Solve for x
    x = 13,609,708,479.59/134,019.98
  6. Step 6: Final answer
    x = 101,549.85

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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.