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Finding the Fourth Proportional to 166,018.50, 229,076.93 and 93,411.32

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Solution

The fourth proportional to 166,018.50, 229,076.93 and 93,411.32 is: 128,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,018.50 : 229,076.93 = 93,411.32 : x
  2. Step 2: Convert to fraction form
    166,018.50/229,076.93 = 93,411.32/x
  3. Step 3: Cross multiply
    166,018.50x = 229,076.93 × 93,411.32
  4. Step 4: Simplify right side
    166,018.50x = 21,398,378,412.85
  5. Step 5: Solve for x
    x = 21,398,378,412.85/166,018.50
  6. Step 6: Final answer
    x = 128,891.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.