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Finding the Fourth Proportional to 239,792.34, 359,610.63 and 79,825.31

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Solution

The fourth proportional to 239,792.34, 359,610.63 and 79,825.31 is: 119,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,792.34 : 359,610.63 = 79,825.31 : x
  2. Step 2: Convert to fraction form
    239,792.34/359,610.63 = 79,825.31/x
  3. Step 3: Cross multiply
    239,792.34x = 359,610.63 × 79,825.31
  4. Step 4: Simplify right side
    239,792.34x = 28,706,028,220.99
  5. Step 5: Solve for x
    x = 28,706,028,220.99/239,792.34
  6. Step 6: Final answer
    x = 119,712.03

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1.5x scale

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.