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Finding the Fourth Proportional to 235,660.31, 325,216.79 and 133,692.65

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Solution

The fourth proportional to 235,660.31, 325,216.79 and 133,692.65 is: 184,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,660.31 : 325,216.79 = 133,692.65 : x
  2. Step 2: Convert to fraction form
    235,660.31/325,216.79 = 133,692.65/x
  3. Step 3: Cross multiply
    235,660.31x = 325,216.79 × 133,692.65
  4. Step 4: Simplify right side
    235,660.31x = 43,479,094,479.59
  5. Step 5: Solve for x
    x = 43,479,094,479.59/235,660.31
  6. Step 6: Final answer
    x = 184,499.01

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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.