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Finding the Fourth Proportional to 201,812.03, 302,569.80 and 96,704.81

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Solution

The fourth proportional to 201,812.03, 302,569.80 and 96,704.81 is: 144,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,812.03 : 302,569.80 = 96,704.81 : x
  2. Step 2: Convert to fraction form
    201,812.03/302,569.80 = 96,704.81/x
  3. Step 3: Cross multiply
    201,812.03x = 302,569.80 × 96,704.81
  4. Step 4: Simplify right side
    201,812.03x = 29,259,955,020.74
  5. Step 5: Solve for x
    x = 29,259,955,020.74/201,812.03
  6. Step 6: Final answer
    x = 144,986.18

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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.