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Finding the Fourth Proportional to 179,745.01, 248,070.08 and 103,263.98

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Solution

The fourth proportional to 179,745.01, 248,070.08 and 103,263.98 is: 142,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,745.01 : 248,070.08 = 103,263.98 : x
  2. Step 2: Convert to fraction form
    179,745.01/248,070.08 = 103,263.98/x
  3. Step 3: Cross multiply
    179,745.01x = 248,070.08 × 103,263.98
  4. Step 4: Simplify right side
    179,745.01x = 25,616,702,797.53
  5. Step 5: Solve for x
    x = 25,616,702,797.53/179,745.01
  6. Step 6: Final answer
    x = 142,516.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.