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Finding the Fourth Proportional to 100,093.69, 150,312.26 and 88,874.38

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Solution

The fourth proportional to 100,093.69, 150,312.26 and 88,874.38 is: 133,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,093.69 : 150,312.26 = 88,874.38 : x
  2. Step 2: Convert to fraction form
    100,093.69/150,312.26 = 88,874.38/x
  3. Step 3: Cross multiply
    100,093.69x = 150,312.26 × 88,874.38
  4. Step 4: Simplify right side
    100,093.69x = 13,358,908,913.90
  5. Step 5: Solve for x
    x = 13,358,908,913.90/100,093.69
  6. Step 6: Final answer
    x = 133,464.05

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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.