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Finding the Fourth Proportional to 122,680.14, 184,020.20 and 39,574.14

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Solution

The fourth proportional to 122,680.14, 184,020.20 and 39,574.14 is: 59,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,680.14 : 184,020.20 = 39,574.14 : x
  2. Step 2: Convert to fraction form
    122,680.14/184,020.20 = 39,574.14/x
  3. Step 3: Cross multiply
    122,680.14x = 184,020.20 × 39,574.14
  4. Step 4: Simplify right side
    122,680.14x = 7,282,440,959.76
  5. Step 5: Solve for x
    x = 7,282,440,959.76/122,680.14
  6. Step 6: Final answer
    x = 59,361.21

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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.