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Finding the Fourth Proportional to 67,254.59, 92,822.43 and 51,308.93

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Solution

The fourth proportional to 67,254.59, 92,822.43 and 51,308.93 is: 70,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,254.59 : 92,822.43 = 51,308.93 : x
  2. Step 2: Convert to fraction form
    67,254.59/92,822.43 = 51,308.93/x
  3. Step 3: Cross multiply
    67,254.59x = 92,822.43 × 51,308.93
  4. Step 4: Simplify right side
    67,254.59x = 4,762,619,563.30
  5. Step 5: Solve for x
    x = 4,762,619,563.30/67,254.59
  6. Step 6: Final answer
    x = 70,814.79

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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.