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Finding the Fourth Proportional to 111,779.88, 167,649.96 and 36,901.08

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Solution

The fourth proportional to 111,779.88, 167,649.96 and 36,901.08 is: 55,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,779.88 : 167,649.96 = 36,901.08 : x
  2. Step 2: Convert to fraction form
    111,779.88/167,649.96 = 36,901.08/x
  3. Step 3: Cross multiply
    111,779.88x = 167,649.96 × 36,901.08
  4. Step 4: Simplify right side
    111,779.88x = 6,186,464,585.96
  5. Step 5: Solve for x
    x = 6,186,464,585.96/111,779.88
  6. Step 6: Final answer
    x = 55,345.06

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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.