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Finding the Fourth Proportional to 161,010.40, 241,419.60 and 98,725.60

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Solution

The fourth proportional to 161,010.40, 241,419.60 and 98,725.60 is: 148,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,010.40 : 241,419.60 = 98,725.60 : x
  2. Step 2: Convert to fraction form
    161,010.40/241,419.60 = 98,725.60/x
  3. Step 3: Cross multiply
    161,010.40x = 241,419.60 × 98,725.60
  4. Step 4: Simplify right side
    161,010.40x = 23,834,294,861.76
  5. Step 5: Solve for x
    x = 23,834,294,861.76/161,010.40
  6. Step 6: Final answer
    x = 148,029.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.