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Finding the Fourth Proportional to 176,265.20, 264,570.60 and 87,618.80

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Solution

The fourth proportional to 176,265.20, 264,570.60 and 87,618.80 is: 131,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,265.20 : 264,570.60 = 87,618.80 : x
  2. Step 2: Convert to fraction form
    176,265.20/264,570.60 = 87,618.80/x
  3. Step 3: Cross multiply
    176,265.20x = 264,570.60 × 87,618.80
  4. Step 4: Simplify right side
    176,265.20x = 23,181,358,487.28
  5. Step 5: Solve for x
    x = 23,181,358,487.28/176,265.20
  6. Step 6: Final answer
    x = 131,514.10

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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.