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Finding the Fourth Proportional to 167,160.94, 230,686.14 and 91,709.44

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Solution

The fourth proportional to 167,160.94, 230,686.14 and 91,709.44 is: 126,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,160.94 : 230,686.14 = 91,709.44 : x
  2. Step 2: Convert to fraction form
    167,160.94/230,686.14 = 91,709.44/x
  3. Step 3: Cross multiply
    167,160.94x = 230,686.14 × 91,709.44
  4. Step 4: Simplify right side
    167,160.94x = 21,156,096,482.36
  5. Step 5: Solve for x
    x = 21,156,096,482.36/167,160.94
  6. Step 6: Final answer
    x = 126,561.25

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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.