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Finding the Fourth Proportional to 109,637.52, 151,299.52 and 59,336.56

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Solution

The fourth proportional to 109,637.52, 151,299.52 and 59,336.56 is: 81,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,637.52 : 151,299.52 = 59,336.56 : x
  2. Step 2: Convert to fraction form
    109,637.52/151,299.52 = 59,336.56/x
  3. Step 3: Cross multiply
    109,637.52x = 151,299.52 × 59,336.56
  4. Step 4: Simplify right side
    109,637.52x = 8,977,593,046.45
  5. Step 5: Solve for x
    x = 8,977,593,046.45/109,637.52
  6. Step 6: Final answer
    x = 81,884.31

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1.5x scale

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.