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Finding the Fourth Proportional to 165,598.08, 228,512.30 and 93,978.11

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Solution

The fourth proportional to 165,598.08, 228,512.30 and 93,978.11 is: 129,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,598.08 : 228,512.30 = 93,978.11 : x
  2. Step 2: Convert to fraction form
    165,598.08/228,512.30 = 93,978.11/x
  3. Step 3: Cross multiply
    165,598.08x = 228,512.30 × 93,978.11
  4. Step 4: Simplify right side
    165,598.08x = 21,475,152,453.30
  5. Step 5: Solve for x
    x = 21,475,152,453.30/165,598.08
  6. Step 6: Final answer
    x = 129,682.38

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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.