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Finding the Fourth Proportional to 525.34, 788.08 and 160.10

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Solution

The fourth proportional to 525.34, 788.08 and 160.10 is: 240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.34 : 788.08 = 160.10 : x
  2. Step 2: Convert to fraction form
    525.34/788.08 = 160.10/x
  3. Step 3: Cross multiply
    525.34x = 788.08 × 160.10
  4. Step 4: Simplify right side
    525.34x = 126,171.61
  5. Step 5: Solve for x
    x = 126,171.61/525.34
  6. Step 6: Final answer
    x = 240.17

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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.