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Finding the Fourth Proportional to 93,360.56, 139,927.84 and 67,010.88

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Solution

The fourth proportional to 93,360.56, 139,927.84 and 67,010.88 is: 100,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,360.56 : 139,927.84 = 67,010.88 : x
  2. Step 2: Convert to fraction form
    93,360.56/139,927.84 = 67,010.88/x
  3. Step 3: Cross multiply
    93,360.56x = 139,927.84 × 67,010.88
  4. Step 4: Simplify right side
    93,360.56x = 9,376,687,694.90
  5. Step 5: Solve for x
    x = 9,376,687,694.90/93,360.56
  6. Step 6: Final answer
    x = 100,435.21

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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.