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Finding the Fourth Proportional to 165,360.51, 228,195.90 and 89,909.01

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Solution

The fourth proportional to 165,360.51, 228,195.90 and 89,909.01 is: 124,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,360.51 : 228,195.90 = 89,909.01 : x
  2. Step 2: Convert to fraction form
    165,360.51/228,195.90 = 89,909.01/x
  3. Step 3: Cross multiply
    165,360.51x = 228,195.90 × 89,909.01
  4. Step 4: Simplify right side
    165,360.51x = 20,516,867,455.06
  5. Step 5: Solve for x
    x = 20,516,867,455.06/165,360.51
  6. Step 6: Final answer
    x = 124,073.56

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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.