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Finding the Fourth Proportional to 303,075, 454,749.66 and 132,349.68

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Solution

The fourth proportional to 303,075, 454,749.66 and 132,349.68 is: 198,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,075 : 454,749.66 = 132,349.68 : x
  2. Step 2: Convert to fraction form
    303,075/454,749.66 = 132,349.68/x
  3. Step 3: Cross multiply
    303,075x = 454,749.66 × 132,349.68
  4. Step 4: Simplify right side
    303,075x = 60,185,971,981.11
  5. Step 5: Solve for x
    x = 60,185,971,981.11/303,075
  6. Step 6: Final answer
    x = 198,584.42

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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.