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Finding the Fourth Proportional to 116,956.95, 161,400.48 and 63,241.84

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Solution

The fourth proportional to 116,956.95, 161,400.48 and 63,241.84 is: 87,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,956.95 : 161,400.48 = 63,241.84 : x
  2. Step 2: Convert to fraction form
    116,956.95/161,400.48 = 63,241.84/x
  3. Step 3: Cross multiply
    116,956.95x = 161,400.48 × 63,241.84
  4. Step 4: Simplify right side
    116,956.95x = 10,207,262,691.43
  5. Step 5: Solve for x
    x = 10,207,262,691.43/116,956.95
  6. Step 6: Final answer
    x = 87,273.67

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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.