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Finding the Fourth Proportional to 100,887.88, 151,279.27 and 37,656.00

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Solution

The fourth proportional to 100,887.88, 151,279.27 and 37,656.00 is: 56,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887.88 : 151,279.27 = 37,656.00 : x
  2. Step 2: Convert to fraction form
    100,887.88/151,279.27 = 37,656.00/x
  3. Step 3: Cross multiply
    100,887.88x = 151,279.27 × 37,656.00
  4. Step 4: Simplify right side
    100,887.88x = 5,696,571,246.44
  5. Step 5: Solve for x
    x = 5,696,571,246.44/100,887.88
  6. Step 6: Final answer
    x = 56,464.38

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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.