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Finding the Fourth Proportional to 166,570.88, 229,867.81 and 90,089.98

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Solution

The fourth proportional to 166,570.88, 229,867.81 and 90,089.98 is: 124,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,570.88 : 229,867.81 = 90,089.98 : x
  2. Step 2: Convert to fraction form
    166,570.88/229,867.81 = 90,089.98/x
  3. Step 3: Cross multiply
    166,570.88x = 229,867.81 × 90,089.98
  4. Step 4: Simplify right side
    166,570.88x = 20,708,785,605.65
  5. Step 5: Solve for x
    x = 20,708,785,605.65/166,570.88
  6. Step 6: Final answer
    x = 124,324.17

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Why These Related Problems?

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