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Finding the Fourth Proportional to 178,188.51, 245,900.13 and 106,568.53

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Solution

The fourth proportional to 178,188.51, 245,900.13 and 106,568.53 is: 147,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,188.51 : 245,900.13 = 106,568.53 : x
  2. Step 2: Convert to fraction form
    178,188.51/245,900.13 = 106,568.53/x
  3. Step 3: Cross multiply
    178,188.51x = 245,900.13 × 106,568.53
  4. Step 4: Simplify right side
    178,188.51x = 26,205,215,380.91
  5. Step 5: Solve for x
    x = 26,205,215,380.91/178,188.51
  6. Step 6: Final answer
    x = 147,064.56

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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.