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Finding the Fourth Proportional to 97,007.60, 133,855.80 and 54,576.56

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Solution

The fourth proportional to 97,007.60, 133,855.80 and 54,576.56 is: 75,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,007.60 : 133,855.80 = 54,576.56 : x
  2. Step 2: Convert to fraction form
    97,007.60/133,855.80 = 54,576.56/x
  3. Step 3: Cross multiply
    97,007.60x = 133,855.80 × 54,576.56
  4. Step 4: Simplify right side
    97,007.60x = 7,305,389,100.05
  5. Step 5: Solve for x
    x = 7,305,389,100.05/97,007.60
  6. Step 6: Final answer
    x = 75,307.39

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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.