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Finding the Fourth Proportional to 106,453.01, 146,900.21 and 61,099.07

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Solution

The fourth proportional to 106,453.01, 146,900.21 and 61,099.07 is: 84,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,453.01 : 146,900.21 = 61,099.07 : x
  2. Step 2: Convert to fraction form
    106,453.01/146,900.21 = 61,099.07/x
  3. Step 3: Cross multiply
    106,453.01x = 146,900.21 × 61,099.07
  4. Step 4: Simplify right side
    106,453.01x = 8,975,465,908.31
  5. Step 5: Solve for x
    x = 8,975,465,908.31/106,453.01
  6. Step 6: Final answer
    x = 84,313.88

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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.