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Finding the Fourth Proportional to 146,337.64, 201,960.90 and 105,535.48

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Solution

The fourth proportional to 146,337.64, 201,960.90 and 105,535.48 is: 145,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,337.64 : 201,960.90 = 105,535.48 : x
  2. Step 2: Convert to fraction form
    146,337.64/201,960.90 = 105,535.48/x
  3. Step 3: Cross multiply
    146,337.64x = 201,960.90 × 105,535.48
  4. Step 4: Simplify right side
    146,337.64x = 21,314,040,522.73
  5. Step 5: Solve for x
    x = 21,314,040,522.73/146,337.64
  6. Step 6: Final answer
    x = 145,649.75

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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.