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Finding the Fourth Proportional to 179,010.01, 247,035.60 and 98,438.11

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Solution

The fourth proportional to 179,010.01, 247,035.60 and 98,438.11 is: 135,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,010.01 : 247,035.60 = 98,438.11 : x
  2. Step 2: Convert to fraction form
    179,010.01/247,035.60 = 98,438.11/x
  3. Step 3: Cross multiply
    179,010.01x = 247,035.60 × 98,438.11
  4. Step 4: Simplify right side
    179,010.01x = 24,317,717,566.72
  5. Step 5: Solve for x
    x = 24,317,717,566.72/179,010.01
  6. Step 6: Final answer
    x = 135,845.57

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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.