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Finding the Fourth Proportional to 70,436.56, 97,201.20 and 41,775.52

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Solution

The fourth proportional to 70,436.56, 97,201.20 and 41,775.52 is: 57,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.56 : 97,201.20 = 41,775.52 : x
  2. Step 2: Convert to fraction form
    70,436.56/97,201.20 = 41,775.52/x
  3. Step 3: Cross multiply
    70,436.56x = 97,201.20 × 41,775.52
  4. Step 4: Simplify right side
    70,436.56x = 4,060,630,674.62
  5. Step 5: Solve for x
    x = 4,060,630,674.62/70,436.56
  6. Step 6: Final answer
    x = 57,649.47

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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.