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Finding the Fourth Proportional to 552,125.89, 828,188.43 and 178,148.89

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Solution

The fourth proportional to 552,125.89, 828,188.43 and 178,148.89 is: 267,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,125.89 : 828,188.43 = 178,148.89 : x
  2. Step 2: Convert to fraction form
    552,125.89/828,188.43 = 178,148.89/x
  3. Step 3: Cross multiply
    552,125.89x = 828,188.43 × 178,148.89
  4. Step 4: Simplify right side
    552,125.89x = 147,540,849,515.34
  5. Step 5: Solve for x
    x = 147,540,849,515.34/552,125.89
  6. Step 6: Final answer
    x = 267,223.20

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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.