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Finding the Fourth Proportional to 162,240.80, 243,373.80 and 57,083.36

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Solution

The fourth proportional to 162,240.80, 243,373.80 and 57,083.36 is: 85,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,240.80 : 243,373.80 = 57,083.36 : x
  2. Step 2: Convert to fraction form
    162,240.80/243,373.80 = 57,083.36/x
  3. Step 3: Cross multiply
    162,240.80x = 243,373.80 × 57,083.36
  4. Step 4: Simplify right side
    162,240.80x = 13,892,594,239.97
  5. Step 5: Solve for x
    x = 13,892,594,239.97/162,240.80
  6. Step 6: Final answer
    x = 85,629.47

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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.