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Finding the Fourth Proportional to 245,457.54, 368,186.31 and 67,964.47

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Solution

The fourth proportional to 245,457.54, 368,186.31 and 67,964.47 is: 101,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,457.54 : 368,186.31 = 67,964.47 : x
  2. Step 2: Convert to fraction form
    245,457.54/368,186.31 = 67,964.47/x
  3. Step 3: Cross multiply
    245,457.54x = 368,186.31 × 67,964.47
  4. Step 4: Simplify right side
    245,457.54x = 25,023,586,499.94
  5. Step 5: Solve for x
    x = 25,023,586,499.94/245,457.54
  6. Step 6: Final answer
    x = 101,946.70

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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.