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Finding the Fourth Proportional to 147,797.54, 203,900.23 and 109,128.04

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Solution

The fourth proportional to 147,797.54, 203,900.23 and 109,128.04 is: 150,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,797.54 : 203,900.23 = 109,128.04 : x
  2. Step 2: Convert to fraction form
    147,797.54/203,900.23 = 109,128.04/x
  3. Step 3: Cross multiply
    147,797.54x = 203,900.23 × 109,128.04
  4. Step 4: Simplify right side
    147,797.54x = 22,251,232,182.63
  5. Step 5: Solve for x
    x = 22,251,232,182.63/147,797.54
  6. Step 6: Final answer
    x = 150,552.11

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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.