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Finding the Fourth Proportional to 162,293, 223,919.84 and 111,318.34

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Solution

The fourth proportional to 162,293, 223,919.84 and 111,318.34 is: 153,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,293 : 223,919.84 = 111,318.34 : x
  2. Step 2: Convert to fraction form
    162,293/223,919.84 = 111,318.34/x
  3. Step 3: Cross multiply
    162,293x = 223,919.84 × 111,318.34
  4. Step 4: Simplify right side
    162,293x = 24,926,384,881.87
  5. Step 5: Solve for x
    x = 24,926,384,881.87/162,293
  6. Step 6: Final answer
    x = 153,588.79

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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.