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Finding the Fourth Proportional to 62,203.97, 93,303.11 and 20,085.99

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Solution

The fourth proportional to 62,203.97, 93,303.11 and 20,085.99 is: 30,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,203.97 : 93,303.11 = 20,085.99 : x
  2. Step 2: Convert to fraction form
    62,203.97/93,303.11 = 20,085.99/x
  3. Step 3: Cross multiply
    62,203.97x = 93,303.11 × 20,085.99
  4. Step 4: Simplify right side
    62,203.97x = 1,874,085,384.64
  5. Step 5: Solve for x
    x = 1,874,085,384.64/62,203.97
  6. Step 6: Final answer
    x = 30,128.07

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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.