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Finding the Fourth Proportional to 122,674.89, 184,012.32 and 39,568.89

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Solution

The fourth proportional to 122,674.89, 184,012.32 and 39,568.89 is: 59,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,674.89 : 184,012.32 = 39,568.89 : x
  2. Step 2: Convert to fraction form
    122,674.89/184,012.32 = 39,568.89/x
  3. Step 3: Cross multiply
    122,674.89x = 184,012.32 × 39,568.89
  4. Step 4: Simplify right side
    122,674.89x = 7,281,163,248.72
  5. Step 5: Solve for x
    x = 7,281,163,248.72/122,674.89
  6. Step 6: Final answer
    x = 59,353.33

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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.