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Finding the Fourth Proportional to 234,881.40, 351,738.90 and 188,225.40

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Solution

The fourth proportional to 234,881.40, 351,738.90 and 188,225.40 is: 281,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,881.40 : 351,738.90 = 188,225.40 : x
  2. Step 2: Convert to fraction form
    234,881.40/351,738.90 = 188,225.40/x
  3. Step 3: Cross multiply
    234,881.40x = 351,738.90 × 188,225.40
  4. Step 4: Simplify right side
    234,881.40x = 66,206,195,148.06
  5. Step 5: Solve for x
    x = 66,206,195,148.06/234,881.40
  6. Step 6: Final answer
    x = 281,870.74

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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.