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Finding the Fourth Proportional to 267,859.52, 369,620.88 and 160,427.60

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Solution

The fourth proportional to 267,859.52, 369,620.88 and 160,427.60 is: 221,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,859.52 : 369,620.88 = 160,427.60 : x
  2. Step 2: Convert to fraction form
    267,859.52/369,620.88 = 160,427.60/x
  3. Step 3: Cross multiply
    267,859.52x = 369,620.88 × 160,427.60
  4. Step 4: Simplify right side
    267,859.52x = 59,297,390,688.29
  5. Step 5: Solve for x
    x = 59,297,390,688.29/267,859.52
  6. Step 6: Final answer
    x = 221,374.96

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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.