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Finding the Fourth Proportional to 167,684.76, 231,323.65 and 99,653.58

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Solution

The fourth proportional to 167,684.76, 231,323.65 and 99,653.58 is: 137,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,684.76 : 231,323.65 = 99,653.58 : x
  2. Step 2: Convert to fraction form
    167,684.76/231,323.65 = 99,653.58/x
  3. Step 3: Cross multiply
    167,684.76x = 231,323.65 × 99,653.58
  4. Step 4: Simplify right side
    167,684.76x = 23,052,229,861.17
  5. Step 5: Solve for x
    x = 23,052,229,861.17/167,684.76
  6. Step 6: Final answer
    x = 137,473.61

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1.5x scale

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.