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Finding the Fourth Proportional to 128,150.64, 191,847.44 and 94,648.24

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Solution

The fourth proportional to 128,150.64, 191,847.44 and 94,648.24 is: 141,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,150.64 : 191,847.44 = 94,648.24 : x
  2. Step 2: Convert to fraction form
    128,150.64/191,847.44 = 94,648.24/x
  3. Step 3: Cross multiply
    128,150.64x = 191,847.44 × 94,648.24
  4. Step 4: Simplify right side
    128,150.64x = 18,158,022,544.51
  5. Step 5: Solve for x
    x = 18,158,022,544.51/128,150.64
  6. Step 6: Final answer
    x = 141,692.80

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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.