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Finding the Fourth Proportional to 94,052.80, 129,788.89 and 51,608.60

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Solution

The fourth proportional to 94,052.80, 129,788.89 and 51,608.60 is: 71,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,052.80 : 129,788.89 = 51,608.60 : x
  2. Step 2: Convert to fraction form
    94,052.80/129,788.89 = 51,608.60/x
  3. Step 3: Cross multiply
    94,052.80x = 129,788.89 × 51,608.60
  4. Step 4: Simplify right side
    94,052.80x = 6,698,222,908.45
  5. Step 5: Solve for x
    x = 6,698,222,908.45/94,052.80
  6. Step 6: Final answer
    x = 71,217.69

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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.