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Finding the Fourth Proportional to 114,483.11, 170,890.79 and 106,040.91

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Solution

The fourth proportional to 114,483.11, 170,890.79 and 106,040.91 is: 158,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,483.11 : 170,890.79 = 106,040.91 : x
  2. Step 2: Convert to fraction form
    114,483.11/170,890.79 = 106,040.91/x
  3. Step 3: Cross multiply
    114,483.11x = 170,890.79 × 106,040.91
  4. Step 4: Simplify right side
    114,483.11x = 18,121,414,749.67
  5. Step 5: Solve for x
    x = 18,121,414,749.67/114,483.11
  6. Step 6: Final answer
    x = 158,288.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.