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Finding the Fourth Proportional to 75,497.01, 104,156.37 and 43,214.37

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Solution

The fourth proportional to 75,497.01, 104,156.37 and 43,214.37 is: 59,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,497.01 : 104,156.37 = 43,214.37 : x
  2. Step 2: Convert to fraction form
    75,497.01/104,156.37 = 43,214.37/x
  3. Step 3: Cross multiply
    75,497.01x = 104,156.37 × 43,214.37
  4. Step 4: Simplify right side
    75,497.01x = 4,501,051,911.04
  5. Step 5: Solve for x
    x = 4,501,051,911.04/75,497.01
  6. Step 6: Final answer
    x = 59,618.94

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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.