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Finding the Fourth Proportional to 188,635.58, 282,981.51 and 62,289.21

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Solution

The fourth proportional to 188,635.58, 282,981.51 and 62,289.21 is: 93,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,635.58 : 282,981.51 = 62,289.21 : x
  2. Step 2: Convert to fraction form
    188,635.58/282,981.51 = 62,289.21/x
  3. Step 3: Cross multiply
    188,635.58x = 282,981.51 × 62,289.21
  4. Step 4: Simplify right side
    188,635.58x = 17,626,694,702.51
  5. Step 5: Solve for x
    x = 17,626,694,702.51/188,635.58
  6. Step 6: Final answer
    x = 93,443.11

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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.