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Finding the Fourth Proportional to 167,159.86, 230,673.09 and 91,706.74

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Solution

The fourth proportional to 167,159.86, 230,673.09 and 91,706.74 is: 126,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,159.86 : 230,673.09 = 91,706.74 : x
  2. Step 2: Convert to fraction form
    167,159.86/230,673.09 = 91,706.74/x
  3. Step 3: Cross multiply
    167,159.86x = 230,673.09 × 91,706.74
  4. Step 4: Simplify right side
    167,159.86x = 21,154,277,089.63
  5. Step 5: Solve for x
    x = 21,154,277,089.63/167,159.86
  6. Step 6: Final answer
    x = 126,551.18

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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.