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Finding the Fourth Proportional to 176,368.20, 264,468.84 and 68,348.16

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Solution

The fourth proportional to 176,368.20, 264,468.84 and 68,348.16 is: 102,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,368.20 : 264,468.84 = 68,348.16 : x
  2. Step 2: Convert to fraction form
    176,368.20/264,468.84 = 68,348.16/x
  3. Step 3: Cross multiply
    176,368.20x = 264,468.84 × 68,348.16
  4. Step 4: Simplify right side
    176,368.20x = 18,075,958,591.33
  5. Step 5: Solve for x
    x = 18,075,958,591.33/176,368.20
  6. Step 6: Final answer
    x = 102,489.90

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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.