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Finding the Fourth Proportional to 167,688.02, 251,458.22 and 88,783.79

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Solution

The fourth proportional to 167,688.02, 251,458.22 and 88,783.79 is: 133,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,688.02 : 251,458.22 = 88,783.79 : x
  2. Step 2: Convert to fraction form
    167,688.02/251,458.22 = 88,783.79/x
  3. Step 3: Cross multiply
    167,688.02x = 251,458.22 × 88,783.79
  4. Step 4: Simplify right side
    167,688.02x = 22,325,412,097.04
  5. Step 5: Solve for x
    x = 22,325,412,097.04/167,688.02
  6. Step 6: Final answer
    x = 133,136.60

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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.