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Finding the Fourth Proportional to 245,656.98, 368,485.64 and 68,164.16

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Solution

The fourth proportional to 245,656.98, 368,485.64 and 68,164.16 is: 102,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,656.98 : 368,485.64 = 68,164.16 : x
  2. Step 2: Convert to fraction form
    245,656.98/368,485.64 = 68,164.16/x
  3. Step 3: Cross multiply
    245,656.98x = 368,485.64 × 68,164.16
  4. Step 4: Simplify right side
    245,656.98x = 25,117,515,214.29
  5. Step 5: Solve for x
    x = 25,117,515,214.29/245,656.98
  6. Step 6: Final answer
    x = 102,246.29

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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.