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Finding the Fourth Proportional to 107,809.88, 161,746 and 44,618.32

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Solution

The fourth proportional to 107,809.88, 161,746 and 44,618.32 is: 66,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,809.88 : 161,746 = 44,618.32 : x
  2. Step 2: Convert to fraction form
    107,809.88/161,746 = 44,618.32/x
  3. Step 3: Cross multiply
    107,809.88x = 161,746 × 44,618.32
  4. Step 4: Simplify right side
    107,809.88x = 7,216,834,786.72
  5. Step 5: Solve for x
    x = 7,216,834,786.72/107,809.88
  6. Step 6: Final answer
    x = 66,940.38

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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.