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Finding the Fourth Proportional to 248,511.67, 372,878.37 and 130,155.48

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Solution

The fourth proportional to 248,511.67, 372,878.37 and 130,155.48 is: 195,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,511.67 : 372,878.37 = 130,155.48 : x
  2. Step 2: Convert to fraction form
    248,511.67/372,878.37 = 130,155.48/x
  3. Step 3: Cross multiply
    248,511.67x = 372,878.37 × 130,155.48
  4. Step 4: Simplify right side
    248,511.67x = 48,532,163,228.97
  5. Step 5: Solve for x
    x = 48,532,163,228.97/248,511.67
  6. Step 6: Final answer
    x = 195,291.29

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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.