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Finding the Fourth Proportional to 71,805.79, 99,058.73 and 46,320.37

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Solution

The fourth proportional to 71,805.79, 99,058.73 and 46,320.37 is: 63,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805.79 : 99,058.73 = 46,320.37 : x
  2. Step 2: Convert to fraction form
    71,805.79/99,058.73 = 46,320.37/x
  3. Step 3: Cross multiply
    71,805.79x = 99,058.73 × 46,320.37
  4. Step 4: Simplify right side
    71,805.79x = 4,588,437,378.96
  5. Step 5: Solve for x
    x = 4,588,437,378.96/71,805.79
  6. Step 6: Final answer
    x = 63,900.66

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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.