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Finding the Fourth Proportional to 162,367.30, 223,921.28 and 135,233.46

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Solution

The fourth proportional to 162,367.30, 223,921.28 and 135,233.46 is: 186,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,367.30 : 223,921.28 = 135,233.46 : x
  2. Step 2: Convert to fraction form
    162,367.30/223,921.28 = 135,233.46/x
  3. Step 3: Cross multiply
    162,367.30x = 223,921.28 × 135,233.46
  4. Step 4: Simplify right side
    162,367.30x = 30,281,649,462.03
  5. Step 5: Solve for x
    x = 30,281,649,462.03/162,367.30
  6. Step 6: Final answer
    x = 186,500.91

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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.