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Finding the Fourth Proportional to 79,027.60, 118,800.60 and 55,814.80

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Solution

The fourth proportional to 79,027.60, 118,800.60 and 55,814.80 is: 83,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,027.60 : 118,800.60 = 55,814.80 : x
  2. Step 2: Convert to fraction form
    79,027.60/118,800.60 = 55,814.80/x
  3. Step 3: Cross multiply
    79,027.60x = 118,800.60 × 55,814.80
  4. Step 4: Simplify right side
    79,027.60x = 6,630,831,728.88
  5. Step 5: Solve for x
    x = 6,630,831,728.88/79,027.60
  6. Step 6: Final answer
    x = 83,905.27

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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.