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Finding the Fourth Proportional to 71,456.51, 98,587.29 and 41,237.84

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Solution

The fourth proportional to 71,456.51, 98,587.29 and 41,237.84 is: 56,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,456.51 : 98,587.29 = 41,237.84 : x
  2. Step 2: Convert to fraction form
    71,456.51/98,587.29 = 41,237.84/x
  3. Step 3: Cross multiply
    71,456.51x = 98,587.29 × 41,237.84
  4. Step 4: Simplify right side
    71,456.51x = 4,065,526,891.05
  5. Step 5: Solve for x
    x = 4,065,526,891.05/71,456.51
  6. Step 6: Final answer
    x = 56,895.12

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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.