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Finding the Fourth Proportional to 188,688.72, 282,973.11 and 62,305.41

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Solution

The fourth proportional to 188,688.72, 282,973.11 and 62,305.41 is: 93,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,688.72 : 282,973.11 = 62,305.41 : x
  2. Step 2: Convert to fraction form
    188,688.72/282,973.11 = 62,305.41/x
  3. Step 3: Cross multiply
    188,688.72x = 282,973.11 × 62,305.41
  4. Step 4: Simplify right side
    188,688.72x = 17,630,755,357.03
  5. Step 5: Solve for x
    x = 17,630,755,357.03/188,688.72
  6. Step 6: Final answer
    x = 93,438.31

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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.