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Finding the Fourth Proportional to 191,250.37, 286,868.22 and 51,007.78

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Solution

The fourth proportional to 191,250.37, 286,868.22 and 51,007.78 is: 76,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,250.37 : 286,868.22 = 51,007.78 : x
  2. Step 2: Convert to fraction form
    191,250.37/286,868.22 = 51,007.78/x
  3. Step 3: Cross multiply
    191,250.37x = 286,868.22 × 51,007.78
  4. Step 4: Simplify right side
    191,250.37x = 14,632,511,054.75
  5. Step 5: Solve for x
    x = 14,632,511,054.75/191,250.37
  6. Step 6: Final answer
    x = 76,509.71

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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.