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Finding the Fourth Proportional to 147,318.35, 203,299.35 and 80,250.35

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Solution

The fourth proportional to 147,318.35, 203,299.35 and 80,250.35 is: 110,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,318.35 : 203,299.35 = 80,250.35 : x
  2. Step 2: Convert to fraction form
    147,318.35/203,299.35 = 80,250.35/x
  3. Step 3: Cross multiply
    147,318.35x = 203,299.35 × 80,250.35
  4. Step 4: Simplify right side
    147,318.35x = 16,314,842,574.52
  5. Step 5: Solve for x
    x = 16,314,842,574.52/147,318.35
  6. Step 6: Final answer
    x = 110,745.49

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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.