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Finding the Fourth Proportional to 165,315.94, 228,264.72 and 127,014.73

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Solution

The fourth proportional to 165,315.94, 228,264.72 and 127,014.73 is: 175,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,315.94 : 228,264.72 = 127,014.73 : x
  2. Step 2: Convert to fraction form
    165,315.94/228,264.72 = 127,014.73/x
  3. Step 3: Cross multiply
    165,315.94x = 228,264.72 × 127,014.73
  4. Step 4: Simplify right side
    165,315.94x = 28,992,981,779.33
  5. Step 5: Solve for x
    x = 28,992,981,779.33/165,315.94
  6. Step 6: Final answer
    x = 175,379.23

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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.