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Finding the Fourth Proportional to 71,458.83, 98,606.11 and 41,253.93

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Solution

The fourth proportional to 71,458.83, 98,606.11 and 41,253.93 is: 56,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,458.83 : 98,606.11 = 41,253.93 : x
  2. Step 2: Convert to fraction form
    71,458.83/98,606.11 = 41,253.93/x
  3. Step 3: Cross multiply
    71,458.83x = 98,606.11 × 41,253.93
  4. Step 4: Simplify right side
    71,458.83x = 4,067,889,559.51
  5. Step 5: Solve for x
    x = 4,067,889,559.51/71,458.83
  6. Step 6: Final answer
    x = 56,926.34

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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.