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Finding the Fourth Proportional to 119,656.93, 165,126.17 and 65,941.93

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Solution

The fourth proportional to 119,656.93, 165,126.17 and 65,941.93 is: 90,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,656.93 : 165,126.17 = 65,941.93 : x
  2. Step 2: Convert to fraction form
    119,656.93/165,126.17 = 65,941.93/x
  3. Step 3: Cross multiply
    119,656.93x = 165,126.17 × 65,941.93
  4. Step 4: Simplify right side
    119,656.93x = 10,888,737,682.53
  5. Step 5: Solve for x
    x = 10,888,737,682.53/119,656.93
  6. Step 6: Final answer
    x = 90,999.64

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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.