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Finding the Fourth Proportional to 360,812.16, 541,154.88 and 111,496.32

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Solution

The fourth proportional to 360,812.16, 541,154.88 and 111,496.32 is: 167,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,812.16 : 541,154.88 = 111,496.32 : x
  2. Step 2: Convert to fraction form
    360,812.16/541,154.88 = 111,496.32/x
  3. Step 3: Cross multiply
    360,812.16x = 541,154.88 × 111,496.32
  4. Step 4: Simplify right side
    360,812.16x = 60,336,777,670.04
  5. Step 5: Solve for x
    x = 60,336,777,670.04/360,812.16
  6. Step 6: Final answer
    x = 167,224.90

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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.