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Finding the Fourth Proportional to 123,289.58, 184,932.32 and 39,049.58

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Solution

The fourth proportional to 123,289.58, 184,932.32 and 39,049.58 is: 58,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,289.58 : 184,932.32 = 39,049.58 : x
  2. Step 2: Convert to fraction form
    123,289.58/184,932.32 = 39,049.58/x
  3. Step 3: Cross multiply
    123,289.58x = 184,932.32 × 39,049.58
  4. Step 4: Simplify right side
    123,289.58x = 7,221,528,651.26
  5. Step 5: Solve for x
    x = 7,221,528,651.26/123,289.58
  6. Step 6: Final answer
    x = 58,573.72

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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.