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Finding the Fourth Proportional to 156,959.65, 235,439.48 and 50,343.40

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Solution

The fourth proportional to 156,959.65, 235,439.48 and 50,343.40 is: 75,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959.65 : 235,439.48 = 50,343.40 : x
  2. Step 2: Convert to fraction form
    156,959.65/235,439.48 = 50,343.40/x
  3. Step 3: Cross multiply
    156,959.65x = 235,439.48 × 50,343.40
  4. Step 4: Simplify right side
    156,959.65x = 11,852,823,917.43
  5. Step 5: Solve for x
    x = 11,852,823,917.43/156,959.65
  6. Step 6: Final answer
    x = 75,515.10

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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.