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Finding the Fourth Proportional to 136,794.84, 205,189.83 and 43,300.86

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Solution

The fourth proportional to 136,794.84, 205,189.83 and 43,300.86 is: 64,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,794.84 : 205,189.83 = 43,300.86 : x
  2. Step 2: Convert to fraction form
    136,794.84/205,189.83 = 43,300.86/x
  3. Step 3: Cross multiply
    136,794.84x = 205,189.83 × 43,300.86
  4. Step 4: Simplify right side
    136,794.84x = 8,884,896,102.25
  5. Step 5: Solve for x
    x = 8,884,896,102.25/136,794.84
  6. Step 6: Final answer
    x = 64,950.52

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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.