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Finding the Fourth Proportional to 162,228.92, 223,873.56 and 90,609.98

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Solution

The fourth proportional to 162,228.92, 223,873.56 and 90,609.98 is: 125,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,228.92 : 223,873.56 = 90,609.98 : x
  2. Step 2: Convert to fraction form
    162,228.92/223,873.56 = 90,609.98/x
  3. Step 3: Cross multiply
    162,228.92x = 223,873.56 × 90,609.98
  4. Step 4: Simplify right side
    162,228.92x = 20,285,178,794.13
  5. Step 5: Solve for x
    x = 20,285,178,794.13/162,228.92
  6. Step 6: Final answer
    x = 125,040.46

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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.