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Finding the Fourth Proportional to 181,726.80, 272,881.80 and 122,823.60

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Solution

The fourth proportional to 181,726.80, 272,881.80 and 122,823.60 is: 184,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,726.80 : 272,881.80 = 122,823.60 : x
  2. Step 2: Convert to fraction form
    181,726.80/272,881.80 = 122,823.60/x
  3. Step 3: Cross multiply
    181,726.80x = 272,881.80 × 122,823.60
  4. Step 4: Simplify right side
    181,726.80x = 33,516,325,050.48
  5. Step 5: Solve for x
    x = 33,516,325,050.48/181,726.80
  6. Step 6: Final answer
    x = 184,432.48

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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.