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Finding the Fourth Proportional to 136,364.01, 188,182.12 and 75,939.93

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Solution

The fourth proportional to 136,364.01, 188,182.12 and 75,939.93 is: 104,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364.01 : 188,182.12 = 75,939.93 : x
  2. Step 2: Convert to fraction form
    136,364.01/188,182.12 = 75,939.93/x
  3. Step 3: Cross multiply
    136,364.01x = 188,182.12 × 75,939.93
  4. Step 4: Simplify right side
    136,364.01x = 14,290,537,292.96
  5. Step 5: Solve for x
    x = 14,290,537,292.96/136,364.01
  6. Step 6: Final answer
    x = 104,796.99

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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.