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Finding the Fourth Proportional to 159,533.87, 220,003.22 and 104,988.47

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Solution

The fourth proportional to 159,533.87, 220,003.22 and 104,988.47 is: 144,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,533.87 : 220,003.22 = 104,988.47 : x
  2. Step 2: Convert to fraction form
    159,533.87/220,003.22 = 104,988.47/x
  3. Step 3: Cross multiply
    159,533.87x = 220,003.22 × 104,988.47
  4. Step 4: Simplify right side
    159,533.87x = 23,097,800,625.33
  5. Step 5: Solve for x
    x = 23,097,800,625.33/159,533.87
  6. Step 6: Final answer
    x = 144,783.06

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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.