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Finding the Fourth Proportional to 360,809.16, 541,150.38 and 111,493.32

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Solution

The fourth proportional to 360,809.16, 541,150.38 and 111,493.32 is: 167,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,809.16 : 541,150.38 = 111,493.32 : x
  2. Step 2: Convert to fraction form
    360,809.16/541,150.38 = 111,493.32/x
  3. Step 3: Cross multiply
    360,809.16x = 541,150.38 × 111,493.32
  4. Step 4: Simplify right side
    360,809.16x = 60,334,652,485.46
  5. Step 5: Solve for x
    x = 60,334,652,485.46/360,809.16
  6. Step 6: Final answer
    x = 167,220.40

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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.