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Finding the Fourth Proportional to 201,815.03, 302,574.30 and 96,707.81

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Solution

The fourth proportional to 201,815.03, 302,574.30 and 96,707.81 is: 144,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,815.03 : 302,574.30 = 96,707.81 : x
  2. Step 2: Convert to fraction form
    201,815.03/302,574.30 = 96,707.81/x
  3. Step 3: Cross multiply
    201,815.03x = 302,574.30 × 96,707.81
  4. Step 4: Simplify right side
    201,815.03x = 29,261,297,915.28
  5. Step 5: Solve for x
    x = 29,261,297,915.28/201,815.03
  6. Step 6: Final answer
    x = 144,990.68

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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.