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Finding the Fourth Proportional to 368,162.28, 552,178.62 and 98,293.77

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Solution

The fourth proportional to 368,162.28, 552,178.62 and 98,293.77 is: 147,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,162.28 : 552,178.62 = 98,293.77 : x
  2. Step 2: Convert to fraction form
    368,162.28/552,178.62 = 98,293.77/x
  3. Step 3: Cross multiply
    368,162.28x = 552,178.62 × 98,293.77
  4. Step 4: Simplify right side
    368,162.28x = 54,275,718,273.20
  5. Step 5: Solve for x
    x = 54,275,718,273.20/368,162.28
  6. Step 6: Final answer
    x = 147,423.35

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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.