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Finding the Fourth Proportional to 164,195.56, 245,924.26 and 99,979.77

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Solution

The fourth proportional to 164,195.56, 245,924.26 and 99,979.77 is: 149,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,195.56 : 245,924.26 = 99,979.77 : x
  2. Step 2: Convert to fraction form
    164,195.56/245,924.26 = 99,979.77/x
  3. Step 3: Cross multiply
    164,195.56x = 245,924.26 × 99,979.77
  4. Step 4: Simplify right side
    164,195.56x = 24,587,450,952.22
  5. Step 5: Solve for x
    x = 24,587,450,952.22/164,195.56
  6. Step 6: Final answer
    x = 149,744.92

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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.