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Finding the Fourth Proportional to 239,380.48, 359,085.44 and 99,150.08

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Solution

The fourth proportional to 239,380.48, 359,085.44 and 99,150.08 is: 148,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,380.48 : 359,085.44 = 99,150.08 : x
  2. Step 2: Convert to fraction form
    239,380.48/359,085.44 = 99,150.08/x
  3. Step 3: Cross multiply
    239,380.48x = 359,085.44 × 99,150.08
  4. Step 4: Simplify right side
    239,380.48x = 35,603,350,102.84
  5. Step 5: Solve for x
    x = 35,603,350,102.84/239,380.48
  6. Step 6: Final answer
    x = 148,731.22

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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.