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Finding the Fourth Proportional to 64,912.20, 97,368.30 and 23,353.80

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Solution

The fourth proportional to 64,912.20, 97,368.30 and 23,353.80 is: 35,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,912.20 : 97,368.30 = 23,353.80 : x
  2. Step 2: Convert to fraction form
    64,912.20/97,368.30 = 23,353.80/x
  3. Step 3: Cross multiply
    64,912.20x = 97,368.30 × 23,353.80
  4. Step 4: Simplify right side
    64,912.20x = 2,273,919,804.54
  5. Step 5: Solve for x
    x = 2,273,919,804.54/64,912.20
  6. Step 6: Final answer
    x = 35,030.70

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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.