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Finding the Fourth Proportional to 176,771.20, 265,329.60 and 88,124.80

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Solution

The fourth proportional to 176,771.20, 265,329.60 and 88,124.80 is: 132,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,771.20 : 265,329.60 = 88,124.80 : x
  2. Step 2: Convert to fraction form
    176,771.20/265,329.60 = 88,124.80/x
  3. Step 3: Cross multiply
    176,771.20x = 265,329.60 × 88,124.80
  4. Step 4: Simplify right side
    176,771.20x = 23,382,117,934.08
  5. Step 5: Solve for x
    x = 23,382,117,934.08/176,771.20
  6. Step 6: Final answer
    x = 132,273.35

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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.