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Finding the Fourth Proportional to 147,588.66, 203,671.34 and 83,926.44

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Solution

The fourth proportional to 147,588.66, 203,671.34 and 83,926.44 is: 115,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.66 : 203,671.34 = 83,926.44 : x
  2. Step 2: Convert to fraction form
    147,588.66/203,671.34 = 83,926.44/x
  3. Step 3: Cross multiply
    147,588.66x = 203,671.34 × 83,926.44
  4. Step 4: Simplify right side
    147,588.66x = 17,093,410,496.23
  5. Step 5: Solve for x
    x = 17,093,410,496.23/147,588.66
  6. Step 6: Final answer
    x = 115,817.91

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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.