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Finding the Fourth Proportional to 147,179.02, 203,101.41 and 83,513.02

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Solution

The fourth proportional to 147,179.02, 203,101.41 and 83,513.02 is: 115,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,179.02 : 203,101.41 = 83,513.02 : x
  2. Step 2: Convert to fraction form
    147,179.02/203,101.41 = 83,513.02/x
  3. Step 3: Cross multiply
    147,179.02x = 203,101.41 × 83,513.02
  4. Step 4: Simplify right side
    147,179.02x = 16,961,612,115.36
  5. Step 5: Solve for x
    x = 16,961,612,115.36/147,179.02
  6. Step 6: Final answer
    x = 115,244.77

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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.