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Finding the Fourth Proportional to 157.63, 236.50 and 60.16

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Solution

The fourth proportional to 157.63, 236.50 and 60.16 is: 90.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.63 : 236.50 = 60.16 : x
  2. Step 2: Convert to fraction form
    157.63/236.50 = 60.16/x
  3. Step 3: Cross multiply
    157.63x = 236.50 × 60.16
  4. Step 4: Simplify right side
    157.63x = 14,227.84
  5. Step 5: Solve for x
    x = 14,227.84/157.63
  6. Step 6: Final answer
    x = 90.26

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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.