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Finding the Fourth Proportional to 239,706.84, 359,466.78 and 89,865.46

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Solution

The fourth proportional to 239,706.84, 359,466.78 and 89,865.46 is: 134,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,706.84 : 359,466.78 = 89,865.46 : x
  2. Step 2: Convert to fraction form
    239,706.84/359,466.78 = 89,865.46/x
  3. Step 3: Cross multiply
    239,706.84x = 359,466.78 × 89,865.46
  4. Step 4: Simplify right side
    239,706.84x = 32,303,647,539.42
  5. Step 5: Solve for x
    x = 32,303,647,539.42/239,706.84
  6. Step 6: Final answer
    x = 134,763.14

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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.