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Finding the Fourth Proportional to 85,794.84, 118,396.80 and 48,069.36

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Solution

The fourth proportional to 85,794.84, 118,396.80 and 48,069.36 is: 66,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,794.84 : 118,396.80 = 48,069.36 : x
  2. Step 2: Convert to fraction form
    85,794.84/118,396.80 = 48,069.36/x
  3. Step 3: Cross multiply
    85,794.84x = 118,396.80 × 48,069.36
  4. Step 4: Simplify right side
    85,794.84x = 5,691,258,402.05
  5. Step 5: Solve for x
    x = 5,691,258,402.05/85,794.84
  6. Step 6: Final answer
    x = 66,335.67

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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.