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Finding the Fourth Proportional to 161,008.40, 241,416.60 and 98,723.60

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Solution

The fourth proportional to 161,008.40, 241,416.60 and 98,723.60 is: 148,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,008.40 : 241,416.60 = 98,723.60 : x
  2. Step 2: Convert to fraction form
    161,008.40/241,416.60 = 98,723.60/x
  3. Step 3: Cross multiply
    161,008.40x = 241,416.60 × 98,723.60
  4. Step 4: Simplify right side
    161,008.40x = 23,833,515,851.76
  5. Step 5: Solve for x
    x = 23,833,515,851.76/161,008.40
  6. Step 6: Final answer
    x = 148,026.54

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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.