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Finding the Fourth Proportional to 174,251.07, 261,410.63 and 55,913.31

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Solution

The fourth proportional to 174,251.07, 261,410.63 and 55,913.31 is: 83,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,251.07 : 261,410.63 = 55,913.31 : x
  2. Step 2: Convert to fraction form
    174,251.07/261,410.63 = 55,913.31/x
  3. Step 3: Cross multiply
    174,251.07x = 261,410.63 × 55,913.31
  4. Step 4: Simplify right side
    174,251.07x = 14,616,333,312.92
  5. Step 5: Solve for x
    x = 14,616,333,312.92/174,251.07
  6. Step 6: Final answer
    x = 83,880.88

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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.