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Finding the Fourth Proportional to 194,505.63, 291,258.27 and 156,375.69

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Solution

The fourth proportional to 194,505.63, 291,258.27 and 156,375.69 is: 234,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,505.63 : 291,258.27 = 156,375.69 : x
  2. Step 2: Convert to fraction form
    194,505.63/291,258.27 = 156,375.69/x
  3. Step 3: Cross multiply
    194,505.63x = 291,258.27 × 156,375.69
  4. Step 4: Simplify right side
    194,505.63x = 45,545,712,939.46
  5. Step 5: Solve for x
    x = 45,545,712,939.46/194,505.63
  6. Step 6: Final answer
    x = 234,161.41

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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.