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Finding the Fourth Proportional to 114,330.35, 157,724.15 and 68,993.84

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Solution

The fourth proportional to 114,330.35, 157,724.15 and 68,993.84 is: 95,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,330.35 : 157,724.15 = 68,993.84 : x
  2. Step 2: Convert to fraction form
    114,330.35/157,724.15 = 68,993.84/x
  3. Step 3: Cross multiply
    114,330.35x = 157,724.15 × 68,993.84
  4. Step 4: Simplify right side
    114,330.35x = 10,881,994,818.58
  5. Step 5: Solve for x
    x = 10,881,994,818.58/114,330.35
  6. Step 6: Final answer
    x = 95,180.28

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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.