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Finding the Fourth Proportional to 176,740.80, 264,819.60 and 87,802.80

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Solution

The fourth proportional to 176,740.80, 264,819.60 and 87,802.80 is: 131,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,740.80 : 264,819.60 = 87,802.80 : x
  2. Step 2: Convert to fraction form
    176,740.80/264,819.60 = 87,802.80/x
  3. Step 3: Cross multiply
    176,740.80x = 264,819.60 × 87,802.80
  4. Step 4: Simplify right side
    176,740.80x = 23,251,902,374.88
  5. Step 5: Solve for x
    x = 23,251,902,374.88/176,740.80
  6. Step 6: Final answer
    x = 131,559.34

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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.