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Finding the Fourth Proportional to 100,805.90, 151,208.85 and 41,611.10

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Solution

The fourth proportional to 100,805.90, 151,208.85 and 41,611.10 is: 62,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,805.90 : 151,208.85 = 41,611.10 : x
  2. Step 2: Convert to fraction form
    100,805.90/151,208.85 = 41,611.10/x
  3. Step 3: Cross multiply
    100,805.90x = 151,208.85 × 41,611.10
  4. Step 4: Simplify right side
    100,805.90x = 6,291,966,578.24
  5. Step 5: Solve for x
    x = 6,291,966,578.24/100,805.90
  6. Step 6: Final answer
    x = 62,416.65

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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.