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Finding the Fourth Proportional to 122,672.36, 184,008.56 and 39,566.36

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Solution

The fourth proportional to 122,672.36, 184,008.56 and 39,566.36 is: 59,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,672.36 : 184,008.56 = 39,566.36 : x
  2. Step 2: Convert to fraction form
    122,672.36/184,008.56 = 39,566.36/x
  3. Step 3: Cross multiply
    122,672.36x = 184,008.56 × 39,566.36
  4. Step 4: Simplify right side
    122,672.36x = 7,280,548,928.04
  5. Step 5: Solve for x
    x = 7,280,548,928.04/122,672.36
  6. Step 6: Final answer
    x = 59,349.55

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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.