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Finding the Fourth Proportional to 167,672.42, 251,533.64 and 55,364.50

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Solution

The fourth proportional to 167,672.42, 251,533.64 and 55,364.50 is: 83,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,672.42 : 251,533.64 = 55,364.50 : x
  2. Step 2: Convert to fraction form
    167,672.42/251,533.64 = 55,364.50/x
  3. Step 3: Cross multiply
    167,672.42x = 251,533.64 × 55,364.50
  4. Step 4: Simplify right side
    167,672.42x = 13,926,034,211.78
  5. Step 5: Solve for x
    x = 13,926,034,211.78/167,672.42
  6. Step 6: Final answer
    x = 83,055.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.