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Finding the Fourth Proportional to 188,636.71, 282,983.23 and 62,290.31

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Solution

The fourth proportional to 188,636.71, 282,983.23 and 62,290.31 is: 93,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,636.71 : 282,983.23 = 62,290.31 : x
  2. Step 2: Convert to fraction form
    188,636.71/282,983.23 = 62,290.31/x
  3. Step 3: Cross multiply
    188,636.71x = 282,983.23 × 62,290.31
  4. Step 4: Simplify right side
    188,636.71x = 17,627,113,121.50
  5. Step 5: Solve for x
    x = 17,627,113,121.50/188,636.71
  6. Step 6: Final answer
    x = 93,444.77

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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.