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Finding the Fourth Proportional to 113,551.40, 170,096.70 and 64,245.80

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Solution

The fourth proportional to 113,551.40, 170,096.70 and 64,245.80 is: 96,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,551.40 : 170,096.70 = 64,245.80 : x
  2. Step 2: Convert to fraction form
    113,551.40/170,096.70 = 64,245.80/x
  3. Step 3: Cross multiply
    113,551.40x = 170,096.70 × 64,245.80
  4. Step 4: Simplify right side
    113,551.40x = 10,927,998,568.86
  5. Step 5: Solve for x
    x = 10,927,998,568.86/113,551.40
  6. Step 6: Final answer
    x = 96,238.34

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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.