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Finding the Fourth Proportional to 107.34, 160.98 and 56.01

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Solution

The fourth proportional to 107.34, 160.98 and 56.01 is: 84.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.34 : 160.98 = 56.01 : x
  2. Step 2: Convert to fraction form
    107.34/160.98 = 56.01/x
  3. Step 3: Cross multiply
    107.34x = 160.98 × 56.01
  4. Step 4: Simplify right side
    107.34x = 9,016.49
  5. Step 5: Solve for x
    x = 9,016.49/107.34
  6. Step 6: Final answer
    x = 84.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.