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Finding the Fourth Proportional to 173,842, 239,860.83 and 98,390.50

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Solution

The fourth proportional to 173,842, 239,860.83 and 98,390.50 is: 135,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,842 : 239,860.83 = 98,390.50 : x
  2. Step 2: Convert to fraction form
    173,842/239,860.83 = 98,390.50/x
  3. Step 3: Cross multiply
    173,842x = 239,860.83 × 98,390.50
  4. Step 4: Simplify right side
    173,842x = 23,600,026,994.12
  5. Step 5: Solve for x
    x = 23,600,026,994.12/173,842
  6. Step 6: Final answer
    x = 135,755.61

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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.