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Finding the Fourth Proportional to 245,936.30, 368,904.44 and 68,457.15

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Solution

The fourth proportional to 245,936.30, 368,904.44 and 68,457.15 is: 102,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,936.30 : 368,904.44 = 68,457.15 : x
  2. Step 2: Convert to fraction form
    245,936.30/368,904.44 = 68,457.15/x
  3. Step 3: Cross multiply
    245,936.30x = 368,904.44 × 68,457.15
  4. Step 4: Simplify right side
    245,936.30x = 25,254,146,755.89
  5. Step 5: Solve for x
    x = 25,254,146,755.89/245,936.30
  6. Step 6: Final answer
    x = 102,685.73

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1.5x scale

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.