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Finding the Fourth Proportional to 176,009.60, 263,841.60 and 87,276.80

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Solution

The fourth proportional to 176,009.60, 263,841.60 and 87,276.80 is: 130,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,009.60 : 263,841.60 = 87,276.80 : x
  2. Step 2: Convert to fraction form
    176,009.60/263,841.60 = 87,276.80/x
  3. Step 3: Cross multiply
    176,009.60x = 263,841.60 × 87,276.80
  4. Step 4: Simplify right side
    176,009.60x = 23,027,250,554.88
  5. Step 5: Solve for x
    x = 23,027,250,554.88/176,009.60
  6. Step 6: Final answer
    x = 130,829.51

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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.