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Finding the Fourth Proportional to 111,937.30, 167,905.95 and 33,051.40

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Solution

The fourth proportional to 111,937.30, 167,905.95 and 33,051.40 is: 49,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,937.30 : 167,905.95 = 33,051.40 : x
  2. Step 2: Convert to fraction form
    111,937.30/167,905.95 = 33,051.40/x
  3. Step 3: Cross multiply
    111,937.30x = 167,905.95 × 33,051.40
  4. Step 4: Simplify right side
    111,937.30x = 5,549,526,715.83
  5. Step 5: Solve for x
    x = 5,549,526,715.83/111,937.30
  6. Step 6: Final answer
    x = 49,577.10

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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.