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Finding the Fourth Proportional to 114.94, 172.50 and 60.04

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Solution

The fourth proportional to 114.94, 172.50 and 60.04 is: 90.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.94 : 172.50 = 60.04 : x
  2. Step 2: Convert to fraction form
    114.94/172.50 = 60.04/x
  3. Step 3: Cross multiply
    114.94x = 172.50 × 60.04
  4. Step 4: Simplify right side
    114.94x = 10,356.90
  5. Step 5: Solve for x
    x = 10,356.90/114.94
  6. Step 6: Final answer
    x = 90.11

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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.