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Finding the Fourth Proportional to 167,235, 230,784.66 and 91,783.32

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Solution

The fourth proportional to 167,235, 230,784.66 and 91,783.32 is: 126,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,235 : 230,784.66 = 91,783.32 : x
  2. Step 2: Convert to fraction form
    167,235/230,784.66 = 91,783.32/x
  3. Step 3: Cross multiply
    167,235x = 230,784.66 × 91,783.32
  4. Step 4: Simplify right side
    167,235x = 21,182,182,299.87
  5. Step 5: Solve for x
    x = 21,182,182,299.87/167,235
  6. Step 6: Final answer
    x = 126,661.18

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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.