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Finding the Fourth Proportional to 302,554.88, 454,074.24 and 136,355.84

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Solution

The fourth proportional to 302,554.88, 454,074.24 and 136,355.84 is: 204,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,554.88 : 454,074.24 = 136,355.84 : x
  2. Step 2: Convert to fraction form
    302,554.88/454,074.24 = 136,355.84/x
  3. Step 3: Cross multiply
    302,554.88x = 454,074.24 × 136,355.84
  4. Step 4: Simplify right side
    302,554.88x = 61,915,674,417.56
  5. Step 5: Solve for x
    x = 61,915,674,417.56/302,554.88
  6. Step 6: Final answer
    x = 204,642.79

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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.