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Finding the Fourth Proportional to 189,119.16, 283,785.39 and 104,868.77

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Solution

The fourth proportional to 189,119.16, 283,785.39 and 104,868.77 is: 157,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,119.16 : 283,785.39 = 104,868.77 : x
  2. Step 2: Convert to fraction form
    189,119.16/283,785.39 = 104,868.77/x
  3. Step 3: Cross multiply
    189,119.16x = 283,785.39 × 104,868.77
  4. Step 4: Simplify right side
    189,119.16x = 29,760,223,374.34
  5. Step 5: Solve for x
    x = 29,760,223,374.34/189,119.16
  6. Step 6: Final answer
    x = 157,362.29

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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.