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Finding the Fourth Proportional to 64,002.30, 96,112.80 and 41,913.60

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Solution

The fourth proportional to 64,002.30, 96,112.80 and 41,913.60 is: 62,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,002.30 : 96,112.80 = 41,913.60 : x
  2. Step 2: Convert to fraction form
    64,002.30/96,112.80 = 41,913.60/x
  3. Step 3: Cross multiply
    64,002.30x = 96,112.80 × 41,913.60
  4. Step 4: Simplify right side
    64,002.30x = 4,028,433,454.08
  5. Step 5: Solve for x
    x = 4,028,433,454.08/64,002.30
  6. Step 6: Final answer
    x = 62,942.01

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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.