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Finding the Fourth Proportional to 93,572.82, 140,360.43 and 31,243.32

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Solution

The fourth proportional to 93,572.82, 140,360.43 and 31,243.32 is: 46,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,572.82 : 140,360.43 = 31,243.32 : x
  2. Step 2: Convert to fraction form
    93,572.82/140,360.43 = 31,243.32/x
  3. Step 3: Cross multiply
    93,572.82x = 140,360.43 × 31,243.32
  4. Step 4: Simplify right side
    93,572.82x = 4,385,325,829.83
  5. Step 5: Solve for x
    x = 4,385,325,829.83/93,572.82
  6. Step 6: Final answer
    x = 46,865.38

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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.