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Finding the Fourth Proportional to 163,645.83, 225,895.59 and 103,204.44

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Solution

The fourth proportional to 163,645.83, 225,895.59 and 103,204.44 is: 142,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,645.83 : 225,895.59 = 103,204.44 : x
  2. Step 2: Convert to fraction form
    163,645.83/225,895.59 = 103,204.44/x
  3. Step 3: Cross multiply
    163,645.83x = 225,895.59 × 103,204.44
  4. Step 4: Simplify right side
    163,645.83x = 23,313,427,864.42
  5. Step 5: Solve for x
    x = 23,313,427,864.42/163,645.83
  6. Step 6: Final answer
    x = 142,462.71

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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.