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Finding the Fourth Proportional to 165,585.78, 228,073.08 and 127,272.06

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Solution

The fourth proportional to 165,585.78, 228,073.08 and 127,272.06 is: 175,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,585.78 : 228,073.08 = 127,272.06 : x
  2. Step 2: Convert to fraction form
    165,585.78/228,073.08 = 127,272.06/x
  3. Step 3: Cross multiply
    165,585.78x = 228,073.08 × 127,272.06
  4. Step 4: Simplify right side
    165,585.78x = 29,027,330,722.14
  5. Step 5: Solve for x
    x = 29,027,330,722.14/165,585.78
  6. Step 6: Final answer
    x = 175,300.87

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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.