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Finding the Fourth Proportional to 106,424.88, 146,866.94 and 58,677.40

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Solution

The fourth proportional to 106,424.88, 146,866.94 and 58,677.40 is: 80,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,424.88 : 146,866.94 = 58,677.40 : x
  2. Step 2: Convert to fraction form
    106,424.88/146,866.94 = 58,677.40/x
  3. Step 3: Cross multiply
    106,424.88x = 146,866.94 × 58,677.40
  4. Step 4: Simplify right side
    106,424.88x = 8,617,770,185.16
  5. Step 5: Solve for x
    x = 8,617,770,185.16/106,424.88
  6. Step 6: Final answer
    x = 80,975.15

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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.