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Finding the Fourth Proportional to 194,501.88, 291,252.65 and 156,371.94

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Solution

The fourth proportional to 194,501.88, 291,252.65 and 156,371.94 is: 234,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,501.88 : 291,252.65 = 156,371.94 : x
  2. Step 2: Convert to fraction form
    194,501.88/291,252.65 = 156,371.94/x
  3. Step 3: Cross multiply
    194,501.88x = 291,252.65 × 156,371.94
  4. Step 4: Simplify right side
    194,501.88x = 45,543,741,128.78
  5. Step 5: Solve for x
    x = 45,543,741,128.78/194,501.88
  6. Step 6: Final answer
    x = 234,155.79

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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.