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Finding the Fourth Proportional to 111,518, 167,292.60 and 32,637.92

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Solution

The fourth proportional to 111,518, 167,292.60 and 32,637.92 is: 48,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,518 : 167,292.60 = 32,637.92 : x
  2. Step 2: Convert to fraction form
    111,518/167,292.60 = 32,637.92/x
  3. Step 3: Cross multiply
    111,518x = 167,292.60 × 32,637.92
  4. Step 4: Simplify right side
    111,518x = 5,460,082,495.39
  5. Step 5: Solve for x
    x = 5,460,082,495.39/111,518
  6. Step 6: Final answer
    x = 48,961.45

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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.