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Finding the Fourth Proportional to 127,199.94, 190,841.37 and 63,987.44

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Solution

The fourth proportional to 127,199.94, 190,841.37 and 63,987.44 is: 96,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,199.94 : 190,841.37 = 63,987.44 : x
  2. Step 2: Convert to fraction form
    127,199.94/190,841.37 = 63,987.44/x
  3. Step 3: Cross multiply
    127,199.94x = 190,841.37 × 63,987.44
  4. Step 4: Simplify right side
    127,199.94x = 12,211,449,876.06
  5. Step 5: Solve for x
    x = 12,211,449,876.06/127,199.94
  6. Step 6: Final answer
    x = 96,002.01

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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.