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Finding the Fourth Proportional to 174,336.71, 261,280.27 and 84,358.27

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Solution

The fourth proportional to 174,336.71, 261,280.27 and 84,358.27 is: 126,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,336.71 : 261,280.27 = 84,358.27 : x
  2. Step 2: Convert to fraction form
    174,336.71/261,280.27 = 84,358.27/x
  3. Step 3: Cross multiply
    174,336.71x = 261,280.27 × 84,358.27
  4. Step 4: Simplify right side
    174,336.71x = 22,041,151,994.38
  5. Step 5: Solve for x
    x = 22,041,151,994.38/174,336.71
  6. Step 6: Final answer
    x = 126,428.64

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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.