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Finding the Fourth Proportional to 354,314.98, 531,474.41 and 88,075.49

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Solution

The fourth proportional to 354,314.98, 531,474.41 and 88,075.49 is: 132,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,314.98 : 531,474.41 = 88,075.49 : x
  2. Step 2: Convert to fraction form
    354,314.98/531,474.41 = 88,075.49/x
  3. Step 3: Cross multiply
    354,314.98x = 531,474.41 × 88,075.49
  4. Step 4: Simplify right side
    354,314.98x = 46,809,869,083.21
  5. Step 5: Solve for x
    x = 46,809,869,083.21/354,314.98
  6. Step 6: Final answer
    x = 132,113.72

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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.