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Finding the Fourth Proportional to 111,659.04, 167,490.72 and 52,462.08

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Solution

The fourth proportional to 111,659.04, 167,490.72 and 52,462.08 is: 78,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,659.04 : 167,490.72 = 52,462.08 : x
  2. Step 2: Convert to fraction form
    111,659.04/167,490.72 = 52,462.08/x
  3. Step 3: Cross multiply
    111,659.04x = 167,490.72 × 52,462.08
  4. Step 4: Simplify right side
    111,659.04x = 8,786,911,551.90
  5. Step 5: Solve for x
    x = 8,786,911,551.90/111,659.04
  6. Step 6: Final answer
    x = 78,694.13

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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.