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Finding the Fourth Proportional to 256,599.96, 354,093.60 and 141,871.96

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Solution

The fourth proportional to 256,599.96, 354,093.60 and 141,871.96 is: 195,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,599.96 : 354,093.60 = 141,871.96 : x
  2. Step 2: Convert to fraction form
    256,599.96/354,093.60 = 141,871.96/x
  3. Step 3: Cross multiply
    256,599.96x = 354,093.60 × 141,871.96
  4. Step 4: Simplify right side
    256,599.96x = 50,235,953,055.46
  5. Step 5: Solve for x
    x = 50,235,953,055.46/256,599.96
  6. Step 6: Final answer
    x = 195,775.37

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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.