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Finding the Fourth Proportional to 235,907.80, 325,561.99 and 133,942.76

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Solution

The fourth proportional to 235,907.80, 325,561.99 and 133,942.76 is: 184,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,907.80 : 325,561.99 = 133,942.76 : x
  2. Step 2: Convert to fraction form
    235,907.80/325,561.99 = 133,942.76/x
  3. Step 3: Cross multiply
    235,907.80x = 325,561.99 × 133,942.76
  4. Step 4: Simplify right side
    235,907.80x = 43,606,671,635.88
  5. Step 5: Solve for x
    x = 43,606,671,635.88/235,907.80
  6. Step 6: Final answer
    x = 184,846.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.