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Finding the Fourth Proportional to 260,723.88, 359,798.95 and 141,491.88

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Solution

The fourth proportional to 260,723.88, 359,798.95 and 141,491.88 is: 195,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,723.88 : 359,798.95 = 141,491.88 : x
  2. Step 2: Convert to fraction form
    260,723.88/359,798.95 = 141,491.88/x
  3. Step 3: Cross multiply
    260,723.88x = 359,798.95 × 141,491.88
  4. Step 4: Simplify right side
    260,723.88x = 50,908,629,857.53
  5. Step 5: Solve for x
    x = 50,908,629,857.53/260,723.88
  6. Step 6: Final answer
    x = 195,258.79

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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.