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Finding the Fourth Proportional to 200,440.40, 276,612.22 and 114,397.67

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Solution

The fourth proportional to 200,440.40, 276,612.22 and 114,397.67 is: 157,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,440.40 : 276,612.22 = 114,397.67 : x
  2. Step 2: Convert to fraction form
    200,440.40/276,612.22 = 114,397.67/x
  3. Step 3: Cross multiply
    200,440.40x = 276,612.22 × 114,397.67
  4. Step 4: Simplify right side
    200,440.40x = 31,643,792,096.62
  5. Step 5: Solve for x
    x = 31,643,792,096.62/200,440.40
  6. Step 6: Final answer
    x = 157,871.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.