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Finding the Fourth Proportional to 101,471.66, 152,061.85 and 57,004.82

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Solution

The fourth proportional to 101,471.66, 152,061.85 and 57,004.82 is: 85,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,471.66 : 152,061.85 = 57,004.82 : x
  2. Step 2: Convert to fraction form
    101,471.66/152,061.85 = 57,004.82/x
  3. Step 3: Cross multiply
    101,471.66x = 152,061.85 × 57,004.82
  4. Step 4: Simplify right side
    101,471.66x = 8,668,258,388.12
  5. Step 5: Solve for x
    x = 8,668,258,388.12/101,471.66
  6. Step 6: Final answer
    x = 85,425.41

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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.