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Finding the Fourth Proportional to 236,889.76, 355,358.52 and 76,959.04

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Solution

The fourth proportional to 236,889.76, 355,358.52 and 76,959.04 is: 115,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,889.76 : 355,358.52 = 76,959.04 : x
  2. Step 2: Convert to fraction form
    236,889.76/355,358.52 = 76,959.04/x
  3. Step 3: Cross multiply
    236,889.76x = 355,358.52 × 76,959.04
  4. Step 4: Simplify right side
    236,889.76x = 27,348,050,555.02
  5. Step 5: Solve for x
    x = 27,348,050,555.02/236,889.76
  6. Step 6: Final answer
    x = 115,446.32

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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.