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Finding the Fourth Proportional to 167,762.58, 231,436.06 and 99,740.98

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Solution

The fourth proportional to 167,762.58, 231,436.06 and 99,740.98 is: 137,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,762.58 : 231,436.06 = 99,740.98 : x
  2. Step 2: Convert to fraction form
    167,762.58/231,436.06 = 99,740.98/x
  3. Step 3: Cross multiply
    167,762.58x = 231,436.06 × 99,740.98
  4. Step 4: Simplify right side
    167,762.58x = 23,083,659,431.74
  5. Step 5: Solve for x
    x = 23,083,659,431.74/167,762.58
  6. Step 6: Final answer
    x = 137,597.19

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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.