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Finding the Fourth Proportional to 106,687.72, 147,225.36 and 58,943.89

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Solution

The fourth proportional to 106,687.72, 147,225.36 and 58,943.89 is: 81,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,687.72 : 147,225.36 = 58,943.89 : x
  2. Step 2: Convert to fraction form
    106,687.72/147,225.36 = 58,943.89/x
  3. Step 3: Cross multiply
    106,687.72x = 147,225.36 × 58,943.89
  4. Step 4: Simplify right side
    106,687.72x = 8,678,035,425.05
  5. Step 5: Solve for x
    x = 8,678,035,425.05/106,687.72
  6. Step 6: Final answer
    x = 81,340.53

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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.