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Finding the Fourth Proportional to 176,384.40, 264,187.80 and 156,685.20

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Solution

The fourth proportional to 176,384.40, 264,187.80 and 156,685.20 is: 234,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,384.40 : 264,187.80 = 156,685.20 : x
  2. Step 2: Convert to fraction form
    176,384.40/264,187.80 = 156,685.20/x
  3. Step 3: Cross multiply
    176,384.40x = 264,187.80 × 156,685.20
  4. Step 4: Simplify right side
    176,384.40x = 41,394,318,280.56
  5. Step 5: Solve for x
    x = 41,394,318,280.56/176,384.40
  6. Step 6: Final answer
    x = 234,682.42

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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.