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Finding the Fourth Proportional to 208,915.58, 313,333.29 and 59,119.70

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Solution

The fourth proportional to 208,915.58, 313,333.29 and 59,119.70 is: 88,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,915.58 : 313,333.29 = 59,119.70 : x
  2. Step 2: Convert to fraction form
    208,915.58/313,333.29 = 59,119.70/x
  3. Step 3: Cross multiply
    208,915.58x = 313,333.29 × 59,119.70
  4. Step 4: Simplify right side
    208,915.58x = 18,524,170,104.81
  5. Step 5: Solve for x
    x = 18,524,170,104.81/208,915.58
  6. Step 6: Final answer
    x = 88,668.21

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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.