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Finding the Fourth Proportional to 165,367.94, 228,239.45 and 93,748.25

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Solution

The fourth proportional to 165,367.94, 228,239.45 and 93,748.25 is: 129,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,367.94 : 228,239.45 = 93,748.25 : x
  2. Step 2: Convert to fraction form
    165,367.94/228,239.45 = 93,748.25/x
  3. Step 3: Cross multiply
    165,367.94x = 228,239.45 × 93,748.25
  4. Step 4: Simplify right side
    165,367.94x = 21,397,047,408.52
  5. Step 5: Solve for x
    x = 21,397,047,408.52/165,367.94
  6. Step 6: Final answer
    x = 129,390.55

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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.