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Finding the Fourth Proportional to 106,385.94, 146,810.84 and 58,643.73

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Solution

The fourth proportional to 106,385.94, 146,810.84 and 58,643.73 is: 80,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,385.94 : 146,810.84 = 58,643.73 : x
  2. Step 2: Convert to fraction form
    106,385.94/146,810.84 = 58,643.73/x
  3. Step 3: Cross multiply
    106,385.94x = 146,810.84 × 58,643.73
  4. Step 4: Simplify right side
    106,385.94x = 8,609,534,527.98
  5. Step 5: Solve for x
    x = 8,609,534,527.98/106,385.94
  6. Step 6: Final answer
    x = 80,927.38

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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.