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Finding the Fourth Proportional to 101,975.00, 152,946.70 and 52,091.96

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Solution

The fourth proportional to 101,975.00, 152,946.70 and 52,091.96 is: 78,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,975.00 : 152,946.70 = 52,091.96 : x
  2. Step 2: Convert to fraction form
    101,975.00/152,946.70 = 52,091.96/x
  3. Step 3: Cross multiply
    101,975.00x = 152,946.70 × 52,091.96
  4. Step 4: Simplify right side
    101,975.00x = 7,967,292,483.57
  5. Step 5: Solve for x
    x = 7,967,292,483.57/101,975.00
  6. Step 6: Final answer
    x = 78,129.86

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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.