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Finding the Fourth Proportional to 106,408.69, 159,660.06 and 55,795.63

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Solution

The fourth proportional to 106,408.69, 159,660.06 and 55,795.63 is: 83,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,408.69 : 159,660.06 = 55,795.63 : x
  2. Step 2: Convert to fraction form
    106,408.69/159,660.06 = 55,795.63/x
  3. Step 3: Cross multiply
    106,408.69x = 159,660.06 × 55,795.63
  4. Step 4: Simplify right side
    106,408.69x = 8,908,333,354.56
  5. Step 5: Solve for x
    x = 8,908,333,354.56/106,408.69
  6. Step 6: Final answer
    x = 83,718.10

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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.