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Finding the Fourth Proportional to 97,449.84, 134,487 and 54,992.88

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Solution

The fourth proportional to 97,449.84, 134,487 and 54,992.88 is: 75,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,449.84 : 134,487 = 54,992.88 : x
  2. Step 2: Convert to fraction form
    97,449.84/134,487 = 54,992.88/x
  3. Step 3: Cross multiply
    97,449.84x = 134,487 × 54,992.88
  4. Step 4: Simplify right side
    97,449.84x = 7,395,827,452.56
  5. Step 5: Solve for x
    x = 7,395,827,452.56/97,449.84
  6. Step 6: Final answer
    x = 75,893.68

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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.