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Finding the Fourth Proportional to 173,673.48, 239,670.18 and 98,236.56

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Solution

The fourth proportional to 173,673.48, 239,670.18 and 98,236.56 is: 135,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,673.48 : 239,670.18 = 98,236.56 : x
  2. Step 2: Convert to fraction form
    173,673.48/239,670.18 = 98,236.56/x
  3. Step 3: Cross multiply
    173,673.48x = 239,670.18 × 98,236.56
  4. Step 4: Simplify right side
    173,673.48x = 23,544,374,017.78
  5. Step 5: Solve for x
    x = 23,544,374,017.78/173,673.48
  6. Step 6: Final answer
    x = 135,566.89

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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.