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Finding the Fourth Proportional to 118,953.36, 164,155.44 and 68,652.36

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Solution

The fourth proportional to 118,953.36, 164,155.44 and 68,652.36 is: 94,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,953.36 : 164,155.44 = 68,652.36 : x
  2. Step 2: Convert to fraction form
    118,953.36/164,155.44 = 68,652.36/x
  3. Step 3: Cross multiply
    118,953.36x = 164,155.44 × 68,652.36
  4. Step 4: Simplify right side
    118,953.36x = 11,269,658,362.84
  5. Step 5: Solve for x
    x = 11,269,658,362.84/118,953.36
  6. Step 6: Final answer
    x = 94,740.14

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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.