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Finding the Fourth Proportional to 86,592.93, 129,903.03 and 36,673.35

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Solution

The fourth proportional to 86,592.93, 129,903.03 and 36,673.35 is: 55,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,592.93 : 129,903.03 = 36,673.35 : x
  2. Step 2: Convert to fraction form
    86,592.93/129,903.03 = 36,673.35/x
  3. Step 3: Cross multiply
    86,592.93x = 129,903.03 × 36,673.35
  4. Step 4: Simplify right side
    86,592.93x = 4,763,979,285.25
  5. Step 5: Solve for x
    x = 4,763,979,285.25/86,592.93
  6. Step 6: Final answer
    x = 55,015.80

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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.