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Finding the Fourth Proportional to 178,188.45, 245,900.05 and 106,568.47

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Solution

The fourth proportional to 178,188.45, 245,900.05 and 106,568.47 is: 147,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,188.45 : 245,900.05 = 106,568.47 : x
  2. Step 2: Convert to fraction form
    178,188.45/245,900.05 = 106,568.47/x
  3. Step 3: Cross multiply
    178,188.45x = 245,900.05 × 106,568.47
  4. Step 4: Simplify right side
    178,188.45x = 26,205,192,142.38
  5. Step 5: Solve for x
    x = 26,205,192,142.38/178,188.45
  6. Step 6: Final answer
    x = 147,064.48

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1.5x scale

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.