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Finding the Fourth Proportional to 235,276.60, 352,785.30 and 77,423.80

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Solution

The fourth proportional to 235,276.60, 352,785.30 and 77,423.80 is: 116,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,276.60 : 352,785.30 = 77,423.80 : x
  2. Step 2: Convert to fraction form
    235,276.60/352,785.30 = 77,423.80/x
  3. Step 3: Cross multiply
    235,276.60x = 352,785.30 × 77,423.80
  4. Step 4: Simplify right side
    235,276.60x = 27,313,978,510.14
  5. Step 5: Solve for x
    x = 27,313,978,510.14/235,276.60
  6. Step 6: Final answer
    x = 116,093.05

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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.