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Finding the Fourth Proportional to 115,263, 159,062.94 and 62,271

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Solution

The fourth proportional to 115,263, 159,062.94 and 62,271 is: 85,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263 : 159,062.94 = 62,271 : x
  2. Step 2: Convert to fraction form
    115,263/159,062.94 = 62,271/x
  3. Step 3: Cross multiply
    115,263x = 159,062.94 × 62,271
  4. Step 4: Simplify right side
    115,263x = 9,905,008,336.74
  5. Step 5: Solve for x
    x = 9,905,008,336.74/115,263
  6. Step 6: Final answer
    x = 85,933.98

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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.