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Finding the Fourth Proportional to 188,337.81, 259,954.37 and 116,779.17

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Solution

The fourth proportional to 188,337.81, 259,954.37 and 116,779.17 is: 161,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,337.81 : 259,954.37 = 116,779.17 : x
  2. Step 2: Convert to fraction form
    188,337.81/259,954.37 = 116,779.17/x
  3. Step 3: Cross multiply
    188,337.81x = 259,954.37 × 116,779.17
  4. Step 4: Simplify right side
    188,337.81x = 30,357,255,566.47
  5. Step 5: Solve for x
    x = 30,357,255,566.47/188,337.81
  6. Step 6: Final answer
    x = 161,185.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.