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Finding the Fourth Proportional to 106,382.70, 146,807.40 and 58,636.08

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Solution

The fourth proportional to 106,382.70, 146,807.40 and 58,636.08 is: 80,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,382.70 : 146,807.40 = 58,636.08 : x
  2. Step 2: Convert to fraction form
    106,382.70/146,807.40 = 58,636.08/x
  3. Step 3: Cross multiply
    106,382.70x = 146,807.40 × 58,636.08
  4. Step 4: Simplify right side
    106,382.70x = 8,608,210,450.99
  5. Step 5: Solve for x
    x = 8,608,210,450.99/106,382.70
  6. Step 6: Final answer
    x = 80,917.39

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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.