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Finding the Fourth Proportional to 368,798.27, 553,295.86 and 132,164.87

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Solution

The fourth proportional to 368,798.27, 553,295.86 and 132,164.87 is: 198,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,798.27 : 553,295.86 = 132,164.87 : x
  2. Step 2: Convert to fraction form
    368,798.27/553,295.86 = 132,164.87/x
  3. Step 3: Cross multiply
    368,798.27x = 553,295.86 × 132,164.87
  4. Step 4: Simplify right side
    368,798.27x = 73,126,276,461.27
  5. Step 5: Solve for x
    x = 73,126,276,461.27/368,798.27
  6. Step 6: Final answer
    x = 198,282.59

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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.