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Finding the Fourth Proportional to 188,924.64, 260,727.86 and 104,041.70

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Solution

The fourth proportional to 188,924.64, 260,727.86 and 104,041.70 is: 143,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,924.64 : 260,727.86 = 104,041.70 : x
  2. Step 2: Convert to fraction form
    188,924.64/260,727.86 = 104,041.70/x
  3. Step 3: Cross multiply
    188,924.64x = 260,727.86 × 104,041.70
  4. Step 4: Simplify right side
    188,924.64x = 27,126,567,967.91
  5. Step 5: Solve for x
    x = 27,126,567,967.91/188,924.64
  6. Step 6: Final answer
    x = 143,584.07

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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.