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Finding the Fourth Proportional to 79,999.42, 119,884.01 and 58,772.77

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Solution

The fourth proportional to 79,999.42, 119,884.01 and 58,772.77 is: 88,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,999.42 : 119,884.01 = 58,772.77 : x
  2. Step 2: Convert to fraction form
    79,999.42/119,884.01 = 58,772.77/x
  3. Step 3: Cross multiply
    79,999.42x = 119,884.01 × 58,772.77
  4. Step 4: Simplify right side
    79,999.42x = 7,045,915,346.41
  5. Step 5: Solve for x
    x = 7,045,915,346.41/79,999.42
  6. Step 6: Final answer
    x = 88,074.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.