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Finding the Fourth Proportional to 111,812.40, 167,740.20 and 32,929.20

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Solution

The fourth proportional to 111,812.40, 167,740.20 and 32,929.20 is: 49,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,812.40 : 167,740.20 = 32,929.20 : x
  2. Step 2: Convert to fraction form
    111,812.40/167,740.20 = 32,929.20/x
  3. Step 3: Cross multiply
    111,812.40x = 167,740.20 × 32,929.20
  4. Step 4: Simplify right side
    111,812.40x = 5,523,550,593.84
  5. Step 5: Solve for x
    x = 5,523,550,593.84/111,812.40
  6. Step 6: Final answer
    x = 49,400.16

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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.