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Finding the Fourth Proportional to 101,476.92, 152,197.56 and 31,356.84

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Solution

The fourth proportional to 101,476.92, 152,197.56 and 31,356.84 is: 47,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.92 : 152,197.56 = 31,356.84 : x
  2. Step 2: Convert to fraction form
    101,476.92/152,197.56 = 31,356.84/x
  3. Step 3: Cross multiply
    101,476.92x = 152,197.56 × 31,356.84
  4. Step 4: Simplify right side
    101,476.92x = 4,772,434,537.31
  5. Step 5: Solve for x
    x = 4,772,434,537.31/101,476.92
  6. Step 6: Final answer
    x = 47,029.75

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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.