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Finding the Fourth Proportional to 147,803.54, 203,908.50 and 109,134.04

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Solution

The fourth proportional to 147,803.54, 203,908.50 and 109,134.04 is: 150,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,803.54 : 203,908.50 = 109,134.04 : x
  2. Step 2: Convert to fraction form
    147,803.54/203,908.50 = 109,134.04/x
  3. Step 3: Cross multiply
    147,803.54x = 203,908.50 × 109,134.04
  4. Step 4: Simplify right side
    147,803.54x = 22,253,358,395.34
  5. Step 5: Solve for x
    x = 22,253,358,395.34/147,803.54
  6. Step 6: Final answer
    x = 150,560.39

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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.