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Finding the Fourth Proportional to 164,858.72, 227,520.14 and 103,614.86

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Solution

The fourth proportional to 164,858.72, 227,520.14 and 103,614.86 is: 142,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,858.72 : 227,520.14 = 103,614.86 : x
  2. Step 2: Convert to fraction form
    164,858.72/227,520.14 = 103,614.86/x
  3. Step 3: Cross multiply
    164,858.72x = 227,520.14 × 103,614.86
  4. Step 4: Simplify right side
    164,858.72x = 23,574,465,797.61
  5. Step 5: Solve for x
    x = 23,574,465,797.61/164,858.72
  6. Step 6: Final answer
    x = 142,998.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.