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Finding the Fourth Proportional to 173,804.12, 239,842.86 and 98,351

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Solution

The fourth proportional to 173,804.12, 239,842.86 and 98,351 is: 135,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,804.12 : 239,842.86 = 98,351 : x
  2. Step 2: Convert to fraction form
    173,804.12/239,842.86 = 98,351/x
  3. Step 3: Cross multiply
    173,804.12x = 239,842.86 × 98,351
  4. Step 4: Simplify right side
    173,804.12x = 23,588,785,123.86
  5. Step 5: Solve for x
    x = 23,588,785,123.86/173,804.12
  6. Step 6: Final answer
    x = 135,720.52

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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.