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Finding the Fourth Proportional to 178,258.95, 267,385.84 and 43,324.02

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Solution

The fourth proportional to 178,258.95, 267,385.84 and 43,324.02 is: 64,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,258.95 : 267,385.84 = 43,324.02 : x
  2. Step 2: Convert to fraction form
    178,258.95/267,385.84 = 43,324.02/x
  3. Step 3: Cross multiply
    178,258.95x = 267,385.84 × 43,324.02
  4. Step 4: Simplify right side
    178,258.95x = 11,584,229,479.88
  5. Step 5: Solve for x
    x = 11,584,229,479.88/178,258.95
  6. Step 6: Final answer
    x = 64,985.40

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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.