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Finding the Fourth Proportional to 174,265.86, 261,374.08 and 55,921.90

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Solution

The fourth proportional to 174,265.86, 261,374.08 and 55,921.90 is: 83,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,265.86 : 261,374.08 = 55,921.90 : x
  2. Step 2: Convert to fraction form
    174,265.86/261,374.08 = 55,921.90/x
  3. Step 3: Cross multiply
    174,265.86x = 261,374.08 × 55,921.90
  4. Step 4: Simplify right side
    174,265.86x = 14,616,535,164.35
  5. Step 5: Solve for x
    x = 14,616,535,164.35/174,265.86
  6. Step 6: Final answer
    x = 83,874.92

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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.