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Finding the Fourth Proportional to 165,904.70, 248,857.05 and 124,432.70

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Solution

The fourth proportional to 165,904.70, 248,857.05 and 124,432.70 is: 186,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,904.70 : 248,857.05 = 124,432.70 : x
  2. Step 2: Convert to fraction form
    165,904.70/248,857.05 = 124,432.70/x
  3. Step 3: Cross multiply
    165,904.70x = 248,857.05 × 124,432.70
  4. Step 4: Simplify right side
    165,904.70x = 30,965,954,645.54
  5. Step 5: Solve for x
    x = 30,965,954,645.54/165,904.70
  6. Step 6: Final answer
    x = 186,649.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.