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Finding the Fourth Proportional to 176,150.40, 263,642.40 and 136,492.80

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Solution

The fourth proportional to 176,150.40, 263,642.40 and 136,492.80 is: 204,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,150.40 : 263,642.40 = 136,492.80 : x
  2. Step 2: Convert to fraction form
    176,150.40/263,642.40 = 136,492.80/x
  3. Step 3: Cross multiply
    176,150.40x = 263,642.40 × 136,492.80
  4. Step 4: Simplify right side
    176,150.40x = 35,985,289,374.72
  5. Step 5: Solve for x
    x = 35,985,289,374.72/176,150.40
  6. Step 6: Final answer
    x = 204,287.30

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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.