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Finding the Fourth Proportional to 162,862.10, 244,317.45 and 57,672.80

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Solution

The fourth proportional to 162,862.10, 244,317.45 and 57,672.80 is: 86,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,862.10 : 244,317.45 = 57,672.80 : x
  2. Step 2: Convert to fraction form
    162,862.10/244,317.45 = 57,672.80/x
  3. Step 3: Cross multiply
    162,862.10x = 244,317.45 × 57,672.80
  4. Step 4: Simplify right side
    162,862.10x = 14,090,471,430.36
  5. Step 5: Solve for x
    x = 14,090,471,430.36/162,862.10
  6. Step 6: Final answer
    x = 86,517.81

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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.