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Finding the Fourth Proportional to 156,698.70, 235,048.05 and 149,873.10

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Solution

The fourth proportional to 156,698.70, 235,048.05 and 149,873.10 is: 224,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,698.70 : 235,048.05 = 149,873.10 : x
  2. Step 2: Convert to fraction form
    156,698.70/235,048.05 = 149,873.10/x
  3. Step 3: Cross multiply
    156,698.70x = 235,048.05 × 149,873.10
  4. Step 4: Simplify right side
    156,698.70x = 35,227,379,902.46
  5. Step 5: Solve for x
    x = 35,227,379,902.46/156,698.70
  6. Step 6: Final answer
    x = 224,809.65

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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.