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Finding the Fourth Proportional to 201,541.71, 302,302.62 and 75,172.14

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Solution

The fourth proportional to 201,541.71, 302,302.62 and 75,172.14 is: 112,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,541.71 : 302,302.62 = 75,172.14 : x
  2. Step 2: Convert to fraction form
    201,541.71/302,302.62 = 75,172.14/x
  3. Step 3: Cross multiply
    201,541.71x = 302,302.62 × 75,172.14
  4. Step 4: Simplify right side
    201,541.71x = 22,724,734,873.01
  5. Step 5: Solve for x
    x = 22,724,734,873.01/201,541.71
  6. Step 6: Final answer
    x = 112,754.50

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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.