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Finding the Fourth Proportional to 188,635.71, 282,981.73 and 62,289.31

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Solution

The fourth proportional to 188,635.71, 282,981.73 and 62,289.31 is: 93,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,635.71 : 282,981.73 = 62,289.31 : x
  2. Step 2: Convert to fraction form
    188,635.71/282,981.73 = 62,289.31/x
  3. Step 3: Cross multiply
    188,635.71x = 282,981.73 × 62,289.31
  4. Step 4: Simplify right side
    188,635.71x = 17,626,736,704.31
  5. Step 5: Solve for x
    x = 17,626,736,704.31/188,635.71
  6. Step 6: Final answer
    x = 93,443.27

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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.