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Finding the Fourth Proportional to 184,380.88, 254,487 and 120,681.58

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Solution

The fourth proportional to 184,380.88, 254,487 and 120,681.58 is: 166,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,380.88 : 254,487 = 120,681.58 : x
  2. Step 2: Convert to fraction form
    184,380.88/254,487 = 120,681.58/x
  3. Step 3: Cross multiply
    184,380.88x = 254,487 × 120,681.58
  4. Step 4: Simplify right side
    184,380.88x = 30,711,893,249.46
  5. Step 5: Solve for x
    x = 30,711,893,249.46/184,380.88
  6. Step 6: Final answer
    x = 166,567.67

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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.