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Finding the Fourth Proportional to 73,422.46, 101,319.74 and 41,590.72

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Solution

The fourth proportional to 73,422.46, 101,319.74 and 41,590.72 is: 57,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422.46 : 101,319.74 = 41,590.72 : x
  2. Step 2: Convert to fraction form
    73,422.46/101,319.74 = 41,590.72/x
  3. Step 3: Cross multiply
    73,422.46x = 101,319.74 × 41,590.72
  4. Step 4: Simplify right side
    73,422.46x = 4,213,960,936.81
  5. Step 5: Solve for x
    x = 4,213,960,936.81/73,422.46
  6. Step 6: Final answer
    x = 57,393.35

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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.