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Finding the Fourth Proportional to 552,149.09, 828,242.04 and 152,756.42

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Solution

The fourth proportional to 552,149.09, 828,242.04 and 152,756.42 is: 229,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,149.09 : 828,242.04 = 152,756.42 : x
  2. Step 2: Convert to fraction form
    552,149.09/828,242.04 = 152,756.42/x
  3. Step 3: Cross multiply
    552,149.09x = 828,242.04 × 152,756.42
  4. Step 4: Simplify right side
    552,149.09x = 126,519,285,355.52
  5. Step 5: Solve for x
    x = 126,519,285,355.52/552,149.09
  6. Step 6: Final answer
    x = 229,139.72

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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.