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Finding the Fourth Proportional to 239,372.60, 359,111.55 and 70,906.10

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Solution

The fourth proportional to 239,372.60, 359,111.55 and 70,906.10 is: 106,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,372.60 : 359,111.55 = 70,906.10 : x
  2. Step 2: Convert to fraction form
    239,372.60/359,111.55 = 70,906.10/x
  3. Step 3: Cross multiply
    239,372.60x = 359,111.55 × 70,906.10
  4. Step 4: Simplify right side
    239,372.60x = 25,463,199,475.46
  5. Step 5: Solve for x
    x = 25,463,199,475.46/239,372.60
  6. Step 6: Final answer
    x = 106,374.75

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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.