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Finding the Fourth Proportional to 179,075.34, 268,611.66 and 54,416.34

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Solution

The fourth proportional to 179,075.34, 268,611.66 and 54,416.34 is: 81,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,075.34 : 268,611.66 = 54,416.34 : x
  2. Step 2: Convert to fraction form
    179,075.34/268,611.66 = 54,416.34/x
  3. Step 3: Cross multiply
    179,075.34x = 268,611.66 × 54,416.34
  4. Step 4: Simplify right side
    179,075.34x = 14,616,863,418.52
  5. Step 5: Solve for x
    x = 14,616,863,418.52/179,075.34
  6. Step 6: Final answer
    x = 81,624.10

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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.