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Finding the Fourth Proportional to 239,454.66, 359,267.85 and 102,620.34

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Solution

The fourth proportional to 239,454.66, 359,267.85 and 102,620.34 is: 153,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,454.66 : 359,267.85 = 102,620.34 : x
  2. Step 2: Convert to fraction form
    239,454.66/359,267.85 = 102,620.34/x
  3. Step 3: Cross multiply
    239,454.66x = 359,267.85 × 102,620.34
  4. Step 4: Simplify right side
    239,454.66x = 36,868,188,918.07
  5. Step 5: Solve for x
    x = 36,868,188,918.07/239,454.66
  6. Step 6: Final answer
    x = 153,967.31

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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.