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Finding the Fourth Proportional to 225,295.72, 310,886.99 and 134,633.64

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Solution

The fourth proportional to 225,295.72, 310,886.99 and 134,633.64 is: 185,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,295.72 : 310,886.99 = 134,633.64 : x
  2. Step 2: Convert to fraction form
    225,295.72/310,886.99 = 134,633.64/x
  3. Step 3: Cross multiply
    225,295.72x = 310,886.99 × 134,633.64
  4. Step 4: Simplify right side
    225,295.72x = 41,855,846,651.71
  5. Step 5: Solve for x
    x = 41,855,846,651.71/225,295.72
  6. Step 6: Final answer
    x = 185,781.81

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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.