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Finding the Fourth Proportional to 271,348.69, 407,085.05 and 93,855.55

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Solution

The fourth proportional to 271,348.69, 407,085.05 and 93,855.55 is: 140,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,348.69 : 407,085.05 = 93,855.55 : x
  2. Step 2: Convert to fraction form
    271,348.69/407,085.05 = 93,855.55/x
  3. Step 3: Cross multiply
    271,348.69x = 407,085.05 × 93,855.55
  4. Step 4: Simplify right side
    271,348.69x = 38,207,191,264.53
  5. Step 5: Solve for x
    x = 38,207,191,264.53/271,348.69
  6. Step 6: Final answer
    x = 140,804.78

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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.