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Finding the Fourth Proportional to 552,136.10, 828,204.15 and 178,159.10

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Solution

The fourth proportional to 552,136.10, 828,204.15 and 178,159.10 is: 267,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,136.10 : 828,204.15 = 178,159.10 : x
  2. Step 2: Convert to fraction form
    552,136.10/828,204.15 = 178,159.10/x
  3. Step 3: Cross multiply
    552,136.10x = 828,204.15 × 178,159.10
  4. Step 4: Simplify right side
    552,136.10x = 147,552,105,980.27
  5. Step 5: Solve for x
    x = 147,552,105,980.27/552,136.10
  6. Step 6: Final answer
    x = 267,238.65

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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.