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Finding the Fourth Proportional to 134,867.98, 202,327.98 and 51,755.50

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Solution

The fourth proportional to 134,867.98, 202,327.98 and 51,755.50 is: 77,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.98 : 202,327.98 = 51,755.50 : x
  2. Step 2: Convert to fraction form
    134,867.98/202,327.98 = 51,755.50/x
  3. Step 3: Cross multiply
    134,867.98x = 202,327.98 × 51,755.50
  4. Step 4: Simplify right side
    134,867.98x = 10,471,585,768.89
  5. Step 5: Solve for x
    x = 10,471,585,768.89/134,867.98
  6. Step 6: Final answer
    x = 77,643.23

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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.