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Finding the Fourth Proportional to 86,220.42, 118,983.03 and 48,494.67

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Solution

The fourth proportional to 86,220.42, 118,983.03 and 48,494.67 is: 66,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,220.42 : 118,983.03 = 48,494.67 : x
  2. Step 2: Convert to fraction form
    86,220.42/118,983.03 = 48,494.67/x
  3. Step 3: Cross multiply
    86,220.42x = 118,983.03 × 48,494.67
  4. Step 4: Simplify right side
    86,220.42x = 5,770,042,775.45
  5. Step 5: Solve for x
    x = 5,770,042,775.45/86,220.42
  6. Step 6: Final answer
    x = 66,922.00

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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.