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Finding the Fourth Proportional to 111,477.59, 167,271.06 and 52,318.07

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Solution

The fourth proportional to 111,477.59, 167,271.06 and 52,318.07 is: 78,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,477.59 : 167,271.06 = 52,318.07 : x
  2. Step 2: Convert to fraction form
    111,477.59/167,271.06 = 52,318.07/x
  3. Step 3: Cross multiply
    111,477.59x = 167,271.06 × 52,318.07
  4. Step 4: Simplify right side
    111,477.59x = 8,751,299,026.05
  5. Step 5: Solve for x
    x = 8,751,299,026.05/111,477.59
  6. Step 6: Final answer
    x = 78,502.76

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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.