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Finding the Fourth Proportional to 124,235.94, 171,422.72 and 73,264.88

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Solution

The fourth proportional to 124,235.94, 171,422.72 and 73,264.88 is: 101,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,235.94 : 171,422.72 = 73,264.88 : x
  2. Step 2: Convert to fraction form
    124,235.94/171,422.72 = 73,264.88/x
  3. Step 3: Cross multiply
    124,235.94x = 171,422.72 × 73,264.88
  4. Step 4: Simplify right side
    124,235.94x = 12,559,263,786.64
  5. Step 5: Solve for x
    x = 12,559,263,786.64/124,235.94
  6. Step 6: Final answer
    x = 101,092.03

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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.