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Finding the Fourth Proportional to 173,670.89, 239,801.72 and 133,320.74

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Solution

The fourth proportional to 173,670.89, 239,801.72 and 133,320.74 is: 184,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,670.89 : 239,801.72 = 133,320.74 : x
  2. Step 2: Convert to fraction form
    173,670.89/239,801.72 = 133,320.74/x
  3. Step 3: Cross multiply
    173,670.89x = 239,801.72 × 133,320.74
  4. Step 4: Simplify right side
    173,670.89x = 31,970,540,898.06
  5. Step 5: Solve for x
    x = 31,970,540,898.06/173,670.89
  6. Step 6: Final answer
    x = 184,086.93

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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.