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Finding the Fourth Proportional to 167,958.81, 250,709.36 and 148,030.47

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Solution

The fourth proportional to 167,958.81, 250,709.36 and 148,030.47 is: 220,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,958.81 : 250,709.36 = 148,030.47 : x
  2. Step 2: Convert to fraction form
    167,958.81/250,709.36 = 148,030.47/x
  3. Step 3: Cross multiply
    167,958.81x = 250,709.36 × 148,030.47
  4. Step 4: Simplify right side
    167,958.81x = 37,112,623,654.05
  5. Step 5: Solve for x
    x = 37,112,623,654.05/167,958.81
  6. Step 6: Final answer
    x = 220,962.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.