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Finding the Fourth Proportional to 165,235.58, 228,026.50 and 89,784.08

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Solution

The fourth proportional to 165,235.58, 228,026.50 and 89,784.08 is: 123,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,235.58 : 228,026.50 = 89,784.08 : x
  2. Step 2: Convert to fraction form
    165,235.58/228,026.50 = 89,784.08/x
  3. Step 3: Cross multiply
    165,235.58x = 228,026.50 × 89,784.08
  4. Step 4: Simplify right side
    165,235.58x = 20,473,149,518.12
  5. Step 5: Solve for x
    x = 20,473,149,518.12/165,235.58
  6. Step 6: Final answer
    x = 123,902.79

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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.