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Finding the Fourth Proportional to 174,698.60, 261,659.10 and 170,810.60

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Solution

The fourth proportional to 174,698.60, 261,659.10 and 170,810.60 is: 255,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,698.60 : 261,659.10 = 170,810.60 : x
  2. Step 2: Convert to fraction form
    174,698.60/261,659.10 = 170,810.60/x
  3. Step 3: Cross multiply
    174,698.60x = 261,659.10 × 170,810.60
  4. Step 4: Simplify right side
    174,698.60x = 44,694,147,866.46
  5. Step 5: Solve for x
    x = 44,694,147,866.46/174,698.60
  6. Step 6: Final answer
    x = 255,835.75

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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.