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Finding the Fourth Proportional to 178,420.02, 267,673.11 and 58,486.05

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Solution

The fourth proportional to 178,420.02, 267,673.11 and 58,486.05 is: 87,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,420.02 : 267,673.11 = 58,486.05 : x
  2. Step 2: Convert to fraction form
    178,420.02/267,673.11 = 58,486.05/x
  3. Step 3: Cross multiply
    178,420.02x = 267,673.11 × 58,486.05
  4. Step 4: Simplify right side
    178,420.02x = 15,655,142,675.79
  5. Step 5: Solve for x
    x = 15,655,142,675.79/178,420.02
  6. Step 6: Final answer
    x = 87,743.20

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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.