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Finding the Fourth Proportional to 167,239.50, 230,790.51 and 91,792.86

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Solution

The fourth proportional to 167,239.50, 230,790.51 and 91,792.86 is: 126,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,239.50 : 230,790.51 = 91,792.86 : x
  2. Step 2: Convert to fraction form
    167,239.50/230,790.51 = 91,792.86/x
  3. Step 3: Cross multiply
    167,239.50x = 230,790.51 × 91,792.86
  4. Step 4: Simplify right side
    167,239.50x = 21,184,920,973.76
  5. Step 5: Solve for x
    x = 21,184,920,973.76/167,239.50
  6. Step 6: Final answer
    x = 126,674.15

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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.