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Finding the Fourth Proportional to 165,381.60, 228,207.60 and 93,747.36

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Solution

The fourth proportional to 165,381.60, 228,207.60 and 93,747.36 is: 129,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,381.60 : 228,207.60 = 93,747.36 : x
  2. Step 2: Convert to fraction form
    165,381.60/228,207.60 = 93,747.36/x
  3. Step 3: Cross multiply
    165,381.60x = 228,207.60 × 93,747.36
  4. Step 4: Simplify right side
    165,381.60x = 21,393,860,031.94
  5. Step 5: Solve for x
    x = 21,393,860,031.94/165,381.60
  6. Step 6: Final answer
    x = 129,360.58

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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.