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Finding the Fourth Proportional to 199,496.86, 275,311.12 and 118,931.02

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Solution

The fourth proportional to 199,496.86, 275,311.12 and 118,931.02 is: 164,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,496.86 : 275,311.12 = 118,931.02 : x
  2. Step 2: Convert to fraction form
    199,496.86/275,311.12 = 118,931.02/x
  3. Step 3: Cross multiply
    199,496.86x = 275,311.12 × 118,931.02
  4. Step 4: Simplify right side
    199,496.86x = 32,743,032,318.94
  5. Step 5: Solve for x
    x = 32,743,032,318.94/199,496.86
  6. Step 6: Final answer
    x = 164,128.06

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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.