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Finding the Fourth Proportional to 100,893.66, 151,287.93 and 37,661.77

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Solution

The fourth proportional to 100,893.66, 151,287.93 and 37,661.77 is: 56,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,893.66 : 151,287.93 = 37,661.77 : x
  2. Step 2: Convert to fraction form
    100,893.66/151,287.93 = 37,661.77/x
  3. Step 3: Cross multiply
    100,893.66x = 151,287.93 × 37,661.77
  4. Step 4: Simplify right side
    100,893.66x = 5,697,771,223.44
  5. Step 5: Solve for x
    x = 5,697,771,223.44/100,893.66
  6. Step 6: Final answer
    x = 56,473.04

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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.