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Finding the Fourth Proportional to 165,856.53, 228,701.13 and 112,048.13

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Solution

The fourth proportional to 165,856.53, 228,701.13 and 112,048.13 is: 154,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,856.53 : 228,701.13 = 112,048.13 : x
  2. Step 2: Convert to fraction form
    165,856.53/228,701.13 = 112,048.13/x
  3. Step 3: Cross multiply
    165,856.53x = 228,701.13 × 112,048.13
  4. Step 4: Simplify right side
    165,856.53x = 25,625,532,801.88
  5. Step 5: Solve for x
    x = 25,625,532,801.88/165,856.53
  6. Step 6: Final answer
    x = 154,504.21

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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.