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Finding the Fourth Proportional to 167,087.61, 248,895.18 and 158,033.43

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Solution

The fourth proportional to 167,087.61, 248,895.18 and 158,033.43 is: 235,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,087.61 : 248,895.18 = 158,033.43 : x
  2. Step 2: Convert to fraction form
    167,087.61/248,895.18 = 158,033.43/x
  3. Step 3: Cross multiply
    167,087.61x = 248,895.18 × 158,033.43
  4. Step 4: Simplify right side
    167,087.61x = 39,333,759,005.87
  5. Step 5: Solve for x
    x = 39,333,759,005.87/167,087.61
  6. Step 6: Final answer
    x = 235,407.99

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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.