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Finding the Fourth Proportional to 239,907.84, 359,647.91 and 121,518.24

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Solution

The fourth proportional to 239,907.84, 359,647.91 and 121,518.24 is: 182,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,907.84 : 359,647.91 = 121,518.24 : x
  2. Step 2: Convert to fraction form
    239,907.84/359,647.91 = 121,518.24/x
  3. Step 3: Cross multiply
    239,907.84x = 359,647.91 × 121,518.24
  4. Step 4: Simplify right side
    239,907.84x = 43,703,781,042.88
  5. Step 5: Solve for x
    x = 43,703,781,042.88/239,907.84
  6. Step 6: Final answer
    x = 182,169.04

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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.