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Finding the Fourth Proportional to 272,648.60, 408,975.48 and 170,097.08

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Solution

The fourth proportional to 272,648.60, 408,975.48 and 170,097.08 is: 255,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,648.60 : 408,975.48 = 170,097.08 : x
  2. Step 2: Convert to fraction form
    272,648.60/408,975.48 = 170,097.08/x
  3. Step 3: Cross multiply
    272,648.60x = 408,975.48 × 170,097.08
  4. Step 4: Simplify right side
    272,648.60x = 69,565,534,939.60
  5. Step 5: Solve for x
    x = 69,565,534,939.60/272,648.60
  6. Step 6: Final answer
    x = 255,147.23

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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.