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Finding the Fourth Proportional to 146,018.44, 201,505.62 and 78,950.44

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Solution

The fourth proportional to 146,018.44, 201,505.62 and 78,950.44 is: 108,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,018.44 : 201,505.62 = 78,950.44 : x
  2. Step 2: Convert to fraction form
    146,018.44/201,505.62 = 78,950.44/x
  3. Step 3: Cross multiply
    146,018.44x = 201,505.62 × 78,950.44
  4. Step 4: Simplify right side
    146,018.44x = 15,908,957,361.47
  5. Step 5: Solve for x
    x = 15,908,957,361.47/146,018.44
  6. Step 6: Final answer
    x = 108,951.70

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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.