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Finding the Fourth Proportional to 176,168.80, 264,301.80 and 87,425.20

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Solution

The fourth proportional to 176,168.80, 264,301.80 and 87,425.20 is: 131,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,168.80 : 264,301.80 = 87,425.20 : x
  2. Step 2: Convert to fraction form
    176,168.80/264,301.80 = 87,425.20/x
  3. Step 3: Cross multiply
    176,168.80x = 264,301.80 × 87,425.20
  4. Step 4: Simplify right side
    176,168.80x = 23,106,637,725.36
  5. Step 5: Solve for x
    x = 23,106,637,725.36/176,168.80
  6. Step 6: Final answer
    x = 131,161.92

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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.