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Finding the Fourth Proportional to 201,361.07, 277,871.16 and 110,716.40

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Solution

The fourth proportional to 201,361.07, 277,871.16 and 110,716.40 is: 152,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,361.07 : 277,871.16 = 110,716.40 : x
  2. Step 2: Convert to fraction form
    201,361.07/277,871.16 = 110,716.40/x
  3. Step 3: Cross multiply
    201,361.07x = 277,871.16 × 110,716.40
  4. Step 4: Simplify right side
    201,361.07x = 30,764,894,499.02
  5. Step 5: Solve for x
    x = 30,764,894,499.02/201,361.07
  6. Step 6: Final answer
    x = 152,784.72

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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.