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Finding the Fourth Proportional to 136,518.84, 204,798.78 and 43,023.24

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Solution

The fourth proportional to 136,518.84, 204,798.78 and 43,023.24 is: 64,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,518.84 : 204,798.78 = 43,023.24 : x
  2. Step 2: Convert to fraction form
    136,518.84/204,798.78 = 43,023.24/x
  3. Step 3: Cross multiply
    136,518.84x = 204,798.78 × 43,023.24
  4. Step 4: Simplify right side
    136,518.84x = 8,811,107,063.65
  5. Step 5: Solve for x
    x = 8,811,107,063.65/136,518.84
  6. Step 6: Final answer
    x = 64,541.33

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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.