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Finding the Fourth Proportional to 106,550.94, 147,040.20 and 58,804.32

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Solution

The fourth proportional to 106,550.94, 147,040.20 and 58,804.32 is: 81,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,550.94 : 147,040.20 = 58,804.32 : x
  2. Step 2: Convert to fraction form
    106,550.94/147,040.20 = 58,804.32/x
  3. Step 3: Cross multiply
    106,550.94x = 147,040.20 × 58,804.32
  4. Step 4: Simplify right side
    106,550.94x = 8,646,598,973.66
  5. Step 5: Solve for x
    x = 8,646,598,973.66/106,550.94
  6. Step 6: Final answer
    x = 81,149.91

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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.