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Finding the Fourth Proportional to 188,089.58, 281,985.93 and 93,254.38

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Solution

The fourth proportional to 188,089.58, 281,985.93 and 93,254.38 is: 139,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,089.58 : 281,985.93 = 93,254.38 : x
  2. Step 2: Convert to fraction form
    188,089.58/281,985.93 = 93,254.38/x
  3. Step 3: Cross multiply
    188,089.58x = 281,985.93 × 93,254.38
  4. Step 4: Simplify right side
    188,089.58x = 26,296,422,365.91
  5. Step 5: Solve for x
    x = 26,296,422,365.91/188,089.58
  6. Step 6: Final answer
    x = 139,807.97

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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.