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Finding the Fourth Proportional to 111,462.39, 167,207.55 and 36,590.31

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Solution

The fourth proportional to 111,462.39, 167,207.55 and 36,590.31 is: 54,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,462.39 : 167,207.55 = 36,590.31 : x
  2. Step 2: Convert to fraction form
    111,462.39/167,207.55 = 36,590.31/x
  3. Step 3: Cross multiply
    111,462.39x = 167,207.55 × 36,590.31
  4. Step 4: Simplify right side
    111,462.39x = 6,118,176,088.84
  5. Step 5: Solve for x
    x = 6,118,176,088.84/111,462.39
  6. Step 6: Final answer
    x = 54,890.05

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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.