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Finding the Fourth Proportional to 67,548.70, 101,301.09 and 28,095.22

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Solution

The fourth proportional to 67,548.70, 101,301.09 and 28,095.22 is: 42,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,548.70 : 101,301.09 = 28,095.22 : x
  2. Step 2: Convert to fraction form
    67,548.70/101,301.09 = 28,095.22/x
  3. Step 3: Cross multiply
    67,548.70x = 101,301.09 × 28,095.22
  4. Step 4: Simplify right side
    67,548.70x = 2,846,076,409.79
  5. Step 5: Solve for x
    x = 2,846,076,409.79/67,548.70
  6. Step 6: Final answer
    x = 42,133.70

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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.