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Finding the Fourth Proportional to 72,835.98, 100,515.53 and 41,006.01

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Solution

The fourth proportional to 72,835.98, 100,515.53 and 41,006.01 is: 56,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,835.98 : 100,515.53 = 41,006.01 : x
  2. Step 2: Convert to fraction form
    72,835.98/100,515.53 = 41,006.01/x
  3. Step 3: Cross multiply
    72,835.98x = 100,515.53 × 41,006.01
  4. Step 4: Simplify right side
    72,835.98x = 4,121,740,623.31
  5. Step 5: Solve for x
    x = 4,121,740,623.31/72,835.98
  6. Step 6: Final answer
    x = 56,589.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.