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Finding the Fourth Proportional to 167,228.51, 230,774.15 and 90,745.65

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Solution

The fourth proportional to 167,228.51, 230,774.15 and 90,745.65 is: 125,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,228.51 : 230,774.15 = 90,745.65 : x
  2. Step 2: Convert to fraction form
    167,228.51/230,774.15 = 90,745.65/x
  3. Step 3: Cross multiply
    167,228.51x = 230,774.15 × 90,745.65
  4. Step 4: Simplify right side
    167,228.51x = 20,941,750,471.81
  5. Step 5: Solve for x
    x = 20,941,750,471.81/167,228.51
  6. Step 6: Final answer
    x = 125,228.35

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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.