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Finding the Fourth Proportional to 106,361.46, 146,781.89 and 58,617.89

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Solution

The fourth proportional to 106,361.46, 146,781.89 and 58,617.89 is: 80,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,361.46 : 146,781.89 = 58,617.89 : x
  2. Step 2: Convert to fraction form
    106,361.46/146,781.89 = 58,617.89/x
  3. Step 3: Cross multiply
    106,361.46x = 146,781.89 × 58,617.89
  4. Step 4: Simplify right side
    106,361.46x = 8,604,044,094.65
  5. Step 5: Solve for x
    x = 8,604,044,094.65/106,361.46
  6. Step 6: Final answer
    x = 80,894.38

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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.