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Finding the Fourth Proportional to 216,076.43, 324,075.47 and 58,267.98

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Solution

The fourth proportional to 216,076.43, 324,075.47 and 58,267.98 is: 87,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,076.43 : 324,075.47 = 58,267.98 : x
  2. Step 2: Convert to fraction form
    216,076.43/324,075.47 = 58,267.98/x
  3. Step 3: Cross multiply
    216,076.43x = 324,075.47 × 58,267.98
  4. Step 4: Simplify right side
    216,076.43x = 18,883,222,713.11
  5. Step 5: Solve for x
    x = 18,883,222,713.11/216,076.43
  6. Step 6: Final answer
    x = 87,391.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.