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Finding the Fourth Proportional to 251,873.51, 347,473 and 170,175.39

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Solution

The fourth proportional to 251,873.51, 347,473 and 170,175.39 is: 234,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,873.51 : 347,473 = 170,175.39 : x
  2. Step 2: Convert to fraction form
    251,873.51/347,473 = 170,175.39/x
  3. Step 3: Cross multiply
    251,873.51x = 347,473 × 170,175.39
  4. Step 4: Simplify right side
    251,873.51x = 59,131,353,289.47
  5. Step 5: Solve for x
    x = 59,131,353,289.47/251,873.51
  6. Step 6: Final answer
    x = 234,766.07

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1.5x scale

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.