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Finding the Fourth Proportional to 101,102.40, 151,673.03 and 38,768.04

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Solution

The fourth proportional to 101,102.40, 151,673.03 and 38,768.04 is: 58,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,102.40 : 151,673.03 = 38,768.04 : x
  2. Step 2: Convert to fraction form
    101,102.40/151,673.03 = 38,768.04/x
  3. Step 3: Cross multiply
    101,102.40x = 151,673.03 × 38,768.04
  4. Step 4: Simplify right side
    101,102.40x = 5,880,066,093.96
  5. Step 5: Solve for x
    x = 5,880,066,093.96/101,102.40
  6. Step 6: Final answer
    x = 58,159.51

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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.