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Finding the Fourth Proportional to 167,152.36, 230,673.86 and 91,700.84

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Solution

The fourth proportional to 167,152.36, 230,673.86 and 91,700.84 is: 126,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,152.36 : 230,673.86 = 91,700.84 : x
  2. Step 2: Convert to fraction form
    167,152.36/230,673.86 = 91,700.84/x
  3. Step 3: Cross multiply
    167,152.36x = 230,673.86 × 91,700.84
  4. Step 4: Simplify right side
    167,152.36x = 21,152,986,728.04
  5. Step 5: Solve for x
    x = 21,152,986,728.04/167,152.36
  6. Step 6: Final answer
    x = 126,549.14

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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.