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Finding the Fourth Proportional to 64,134.81, 96,203.84 and 30,392.91

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Solution

The fourth proportional to 64,134.81, 96,203.84 and 30,392.91 is: 45,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,134.81 : 96,203.84 = 30,392.91 : x
  2. Step 2: Convert to fraction form
    64,134.81/96,203.84 = 30,392.91/x
  3. Step 3: Cross multiply
    64,134.81x = 96,203.84 × 30,392.91
  4. Step 4: Simplify right side
    64,134.81x = 2,923,914,498.81
  5. Step 5: Solve for x
    x = 2,923,914,498.81/64,134.81
  6. Step 6: Final answer
    x = 45,590.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.