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Finding the Fourth Proportional to 93,569.44, 129,027.48 and 61,697.56

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Solution

The fourth proportional to 93,569.44, 129,027.48 and 61,697.56 is: 85,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,569.44 : 129,027.48 = 61,697.56 : x
  2. Step 2: Convert to fraction form
    93,569.44/129,027.48 = 61,697.56/x
  3. Step 3: Cross multiply
    93,569.44x = 129,027.48 × 61,697.56
  4. Step 4: Simplify right side
    93,569.44x = 7,960,680,688.95
  5. Step 5: Solve for x
    x = 7,960,680,688.95/93,569.44
  6. Step 6: Final answer
    x = 85,077.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.