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Finding the Fourth Proportional to 64,161.30, 96,059.70 and 60,670.20

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Solution

The fourth proportional to 64,161.30, 96,059.70 and 60,670.20 is: 90,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161.30 : 96,059.70 = 60,670.20 : x
  2. Step 2: Convert to fraction form
    64,161.30/96,059.70 = 60,670.20/x
  3. Step 3: Cross multiply
    64,161.30x = 96,059.70 × 60,670.20
  4. Step 4: Simplify right side
    64,161.30x = 5,827,961,210.94
  5. Step 5: Solve for x
    x = 5,827,961,210.94/64,161.30
  6. Step 6: Final answer
    x = 90,832.97

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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.