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Finding the Fourth Proportional to 251,132.40, 376,698.60 and 167,005.80

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Solution

The fourth proportional to 251,132.40, 376,698.60 and 167,005.80 is: 250,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,132.40 : 376,698.60 = 167,005.80 : x
  2. Step 2: Convert to fraction form
    251,132.40/376,698.60 = 167,005.80/x
  3. Step 3: Cross multiply
    251,132.40x = 376,698.60 × 167,005.80
  4. Step 4: Simplify right side
    251,132.40x = 62,910,851,051.88
  5. Step 5: Solve for x
    x = 62,910,851,051.88/251,132.40
  6. Step 6: Final answer
    x = 250,508.70

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1.5x scale

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.