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Finding the Fourth Proportional to 55,951.70, 83,973.45 and 55,514.30

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Solution

The fourth proportional to 55,951.70, 83,973.45 and 55,514.30 is: 83,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.70 : 83,973.45 = 55,514.30 : x
  2. Step 2: Convert to fraction form
    55,951.70/83,973.45 = 55,514.30/x
  3. Step 3: Cross multiply
    55,951.70x = 83,973.45 × 55,514.30
  4. Step 4: Simplify right side
    55,951.70x = 4,661,727,295.34
  5. Step 5: Solve for x
    x = 4,661,727,295.34/55,951.70
  6. Step 6: Final answer
    x = 83,316.99

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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.