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Finding the Fourth Proportional to 106,450.56, 146,890.50 and 58,701.06

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Solution

The fourth proportional to 106,450.56, 146,890.50 and 58,701.06 is: 81,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,450.56 : 146,890.50 = 58,701.06 : x
  2. Step 2: Convert to fraction form
    106,450.56/146,890.50 = 58,701.06/x
  3. Step 3: Cross multiply
    106,450.56x = 146,890.50 × 58,701.06
  4. Step 4: Simplify right side
    106,450.56x = 8,622,628,053.93
  5. Step 5: Solve for x
    x = 8,622,628,053.93/106,450.56
  6. Step 6: Final answer
    x = 81,001.25

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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.