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Finding the Fourth Proportional to 100,552.17, 150,828.12 and 25,672.32

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Solution

The fourth proportional to 100,552.17, 150,828.12 and 25,672.32 is: 38,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,552.17 : 150,828.12 = 25,672.32 : x
  2. Step 2: Convert to fraction form
    100,552.17/150,828.12 = 25,672.32/x
  3. Step 3: Cross multiply
    100,552.17x = 150,828.12 × 25,672.32
  4. Step 4: Simplify right side
    100,552.17x = 3,872,107,761.64
  5. Step 5: Solve for x
    x = 3,872,107,761.64/100,552.17
  6. Step 6: Final answer
    x = 38,508.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.