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Finding the Fourth Proportional to 93,571.84, 140,346.24 and 40,971.52

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Solution

The fourth proportional to 93,571.84, 140,346.24 and 40,971.52 is: 61,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,571.84 : 140,346.24 = 40,971.52 : x
  2. Step 2: Convert to fraction form
    93,571.84/140,346.24 = 40,971.52/x
  3. Step 3: Cross multiply
    93,571.84x = 140,346.24 × 40,971.52
  4. Step 4: Simplify right side
    93,571.84x = 5,750,198,779.08
  5. Step 5: Solve for x
    x = 5,750,198,779.08/93,571.84
  6. Step 6: Final answer
    x = 61,452.24

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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.