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Finding the Fourth Proportional to 106,628.94, 159,607.98 and 73,153.26

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Solution

The fourth proportional to 106,628.94, 159,607.98 and 73,153.26 is: 109,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,628.94 : 159,607.98 = 73,153.26 : x
  2. Step 2: Convert to fraction form
    106,628.94/159,607.98 = 73,153.26/x
  3. Step 3: Cross multiply
    106,628.94x = 159,607.98 × 73,153.26
  4. Step 4: Simplify right side
    106,628.94x = 11,675,844,059.01
  5. Step 5: Solve for x
    x = 11,675,844,059.01/106,628.94
  6. Step 6: Final answer
    x = 109,499.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.