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Finding the Fourth Proportional to 188,365.10, 282,371.97 and 63,618.86

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Solution

The fourth proportional to 188,365.10, 282,371.97 and 63,618.86 is: 95,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,365.10 : 282,371.97 = 63,618.86 : x
  2. Step 2: Convert to fraction form
    188,365.10/282,371.97 = 63,618.86/x
  3. Step 3: Cross multiply
    188,365.10x = 282,371.97 × 63,618.86
  4. Step 4: Simplify right side
    188,365.10x = 17,964,182,827.35
  5. Step 5: Solve for x
    x = 17,964,182,827.35/188,365.10
  6. Step 6: Final answer
    x = 95,368.96

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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.