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Finding the Fourth Proportional to 199,997.98, 275,991.86 and 118,330.46

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Solution

The fourth proportional to 199,997.98, 275,991.86 and 118,330.46 is: 163,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,997.98 : 275,991.86 = 118,330.46 : x
  2. Step 2: Convert to fraction form
    199,997.98/275,991.86 = 118,330.46/x
  3. Step 3: Cross multiply
    199,997.98x = 275,991.86 × 118,330.46
  4. Step 4: Simplify right side
    199,997.98x = 32,658,243,750.06
  5. Step 5: Solve for x
    x = 32,658,243,750.06/199,997.98
  6. Step 6: Final answer
    x = 163,292.87

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1.5x scale

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.