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Finding the Fourth Proportional to 173,858.88, 239,930.96 and 98,405.76

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Solution

The fourth proportional to 173,858.88, 239,930.96 and 98,405.76 is: 135,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,858.88 : 239,930.96 = 98,405.76 : x
  2. Step 2: Convert to fraction form
    173,858.88/239,930.96 = 98,405.76/x
  3. Step 3: Cross multiply
    173,858.88x = 239,930.96 × 98,405.76
  4. Step 4: Simplify right side
    173,858.88x = 23,610,588,466.33
  5. Step 5: Solve for x
    x = 23,610,588,466.33/173,858.88
  6. Step 6: Final answer
    x = 135,803.18

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1.5x scale

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.