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Finding the Fourth Proportional to 97,697.73, 134,825.28 and 54,676.88

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Solution

The fourth proportional to 97,697.73, 134,825.28 and 54,676.88 is: 75,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,697.73 : 134,825.28 = 54,676.88 : x
  2. Step 2: Convert to fraction form
    97,697.73/134,825.28 = 54,676.88/x
  3. Step 3: Cross multiply
    97,697.73x = 134,825.28 × 54,676.88
  4. Step 4: Simplify right side
    97,697.73x = 7,371,825,655.53
  5. Step 5: Solve for x
    x = 7,371,825,655.53/97,697.73
  6. Step 6: Final answer
    x = 75,455.44

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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.