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Finding the Fourth Proportional to 100,186.94, 150,181.59 and 55,834.58

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Solution

The fourth proportional to 100,186.94, 150,181.59 and 55,834.58 is: 83,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,186.94 : 150,181.59 = 55,834.58 : x
  2. Step 2: Convert to fraction form
    100,186.94/150,181.59 = 55,834.58/x
  3. Step 3: Cross multiply
    100,186.94x = 150,181.59 × 55,834.58
  4. Step 4: Simplify right side
    100,186.94x = 8,385,326,001.38
  5. Step 5: Solve for x
    x = 8,385,326,001.38/100,186.94
  6. Step 6: Final answer
    x = 83,696.80

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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.