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Finding the Fourth Proportional to 176,564.80, 264,847.20 and 157,211.20

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Solution

The fourth proportional to 176,564.80, 264,847.20 and 157,211.20 is: 235,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,564.80 : 264,847.20 = 157,211.20 : x
  2. Step 2: Convert to fraction form
    176,564.80/264,847.20 = 157,211.20/x
  3. Step 3: Cross multiply
    176,564.80x = 264,847.20 × 157,211.20
  4. Step 4: Simplify right side
    176,564.80x = 41,636,946,128.64
  5. Step 5: Solve for x
    x = 41,636,946,128.64/176,564.80
  6. Step 6: Final answer
    x = 235,816.80

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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.