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Finding the Fourth Proportional to 255,656.51, 352,735.12 and 165,016.30

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Solution

The fourth proportional to 255,656.51, 352,735.12 and 165,016.30 is: 227,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,656.51 : 352,735.12 = 165,016.30 : x
  2. Step 2: Convert to fraction form
    255,656.51/352,735.12 = 165,016.30/x
  3. Step 3: Cross multiply
    255,656.51x = 352,735.12 × 165,016.30
  4. Step 4: Simplify right side
    255,656.51x = 58,207,044,382.46
  5. Step 5: Solve for x
    x = 58,207,044,382.46/255,656.51
  6. Step 6: Final answer
    x = 227,676.75

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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.