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Finding the Fourth Proportional to 72,853.80, 100,537.80 and 41,032.95

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Solution

The fourth proportional to 72,853.80, 100,537.80 and 41,032.95 is: 56,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,853.80 : 100,537.80 = 41,032.95 : x
  2. Step 2: Convert to fraction form
    72,853.80/100,537.80 = 41,032.95/x
  3. Step 3: Cross multiply
    72,853.80x = 100,537.80 × 41,032.95
  4. Step 4: Simplify right side
    72,853.80x = 4,125,362,520.51
  5. Step 5: Solve for x
    x = 4,125,362,520.51/72,853.80
  6. Step 6: Final answer
    x = 56,625.22

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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.