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Finding the Fourth Proportional to 62,172, 93,276.23 and 20,051.24

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Solution

The fourth proportional to 62,172, 93,276.23 and 20,051.24 is: 30,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,172 : 93,276.23 = 20,051.24 : x
  2. Step 2: Convert to fraction form
    62,172/93,276.23 = 20,051.24/x
  3. Step 3: Cross multiply
    62,172x = 93,276.23 × 20,051.24
  4. Step 4: Simplify right side
    62,172x = 1,870,303,507.39
  5. Step 5: Solve for x
    x = 1,870,303,507.39/62,172
  6. Step 6: Final answer
    x = 30,082.73

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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.