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Finding the Fourth Proportional to 266,928.60, 368,361.50 and 146,069.91

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Solution

The fourth proportional to 266,928.60, 368,361.50 and 146,069.91 is: 201,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,928.60 : 368,361.50 = 146,069.91 : x
  2. Step 2: Convert to fraction form
    266,928.60/368,361.50 = 146,069.91/x
  3. Step 3: Cross multiply
    266,928.60x = 368,361.50 × 146,069.91
  4. Step 4: Simplify right side
    266,928.60x = 53,806,531,152.47
  5. Step 5: Solve for x
    x = 53,806,531,152.47/266,928.60
  6. Step 6: Final answer
    x = 201,576.49

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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.