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Finding the Fourth Proportional to 451,726.08, 677,602.79 and 114,766.80

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Solution

The fourth proportional to 451,726.08, 677,602.79 and 114,766.80 is: 172,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,726.08 : 677,602.79 = 114,766.80 : x
  2. Step 2: Convert to fraction form
    451,726.08/677,602.79 = 114,766.80/x
  3. Step 3: Cross multiply
    451,726.08x = 677,602.79 × 114,766.80
  4. Step 4: Simplify right side
    451,726.08x = 77,766,303,879.37
  5. Step 5: Solve for x
    x = 77,766,303,879.37/451,726.08
  6. Step 6: Final answer
    x = 172,153.67

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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.