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Finding the Fourth Proportional to 184,987.75, 255,284.93 and 100,106.64

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Solution

The fourth proportional to 184,987.75, 255,284.93 and 100,106.64 is: 138,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,987.75 : 255,284.93 = 100,106.64 : x
  2. Step 2: Convert to fraction form
    184,987.75/255,284.93 = 100,106.64/x
  3. Step 3: Cross multiply
    184,987.75x = 255,284.93 × 100,106.64
  4. Step 4: Simplify right side
    184,987.75x = 25,555,714,807.98
  5. Step 5: Solve for x
    x = 25,555,714,807.98/184,987.75
  6. Step 6: Final answer
    x = 138,148.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.