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Finding the Fourth Proportional to 176,320.80, 264,308.40 and 157,658.40

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Solution

The fourth proportional to 176,320.80, 264,308.40 and 157,658.40 is: 236,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,320.80 : 264,308.40 = 157,658.40 : x
  2. Step 2: Convert to fraction form
    176,320.80/264,308.40 = 157,658.40/x
  3. Step 3: Cross multiply
    176,320.80x = 264,308.40 × 157,658.40
  4. Step 4: Simplify right side
    176,320.80x = 41,670,439,450.56
  5. Step 5: Solve for x
    x = 41,670,439,450.56/176,320.80
  6. Step 6: Final answer
    x = 236,333.09

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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.