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Finding the Fourth Proportional to 245,790, 368,705.00 and 68,297.02

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Solution

The fourth proportional to 245,790, 368,705.00 and 68,297.02 is: 102,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,790 : 368,705.00 = 68,297.02 : x
  2. Step 2: Convert to fraction form
    245,790/368,705.00 = 68,297.02/x
  3. Step 3: Cross multiply
    245,790x = 368,705.00 × 68,297.02
  4. Step 4: Simplify right side
    245,790x = 25,181,452,008.08
  5. Step 5: Solve for x
    x = 25,181,452,008.08/245,790
  6. Step 6: Final answer
    x = 102,451.08

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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.