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Finding the Fourth Proportional to 262,093.60, 393,140.40 and 167,615.20

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Solution

The fourth proportional to 262,093.60, 393,140.40 and 167,615.20 is: 251,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,093.60 : 393,140.40 = 167,615.20 : x
  2. Step 2: Convert to fraction form
    262,093.60/393,140.40 = 167,615.20/x
  3. Step 3: Cross multiply
    262,093.60x = 393,140.40 × 167,615.20
  4. Step 4: Simplify right side
    262,093.60x = 65,896,306,774.08
  5. Step 5: Solve for x
    x = 65,896,306,774.08/262,093.60
  6. Step 6: Final answer
    x = 251,422.80

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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.