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Finding the Fourth Proportional to 170,583.60, 255,342.93 and 125,655.60

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Solution

The fourth proportional to 170,583.60, 255,342.93 and 125,655.60 is: 188,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,583.60 : 255,342.93 = 125,655.60 : x
  2. Step 2: Convert to fraction form
    170,583.60/255,342.93 = 125,655.60/x
  3. Step 3: Cross multiply
    170,583.60x = 255,342.93 × 125,655.60
  4. Step 4: Simplify right side
    170,583.60x = 32,085,270,268.05
  5. Step 5: Solve for x
    x = 32,085,270,268.05/170,583.60
  6. Step 6: Final answer
    x = 188,091.18

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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.