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Finding the Fourth Proportional to 97,554.92, 134,628.58 and 55,119.88

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Solution

The fourth proportional to 97,554.92, 134,628.58 and 55,119.88 is: 76,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,554.92 : 134,628.58 = 55,119.88 : x
  2. Step 2: Convert to fraction form
    97,554.92/134,628.58 = 55,119.88/x
  3. Step 3: Cross multiply
    97,554.92x = 134,628.58 × 55,119.88
  4. Step 4: Simplify right side
    97,554.92x = 7,420,711,174.17
  5. Step 5: Solve for x
    x = 7,420,711,174.17/97,554.92
  6. Step 6: Final answer
    x = 76,067.01

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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.