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Finding the Fourth Proportional to 170,360.82, 255,258.74 and 103,599

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Solution

The fourth proportional to 170,360.82, 255,258.74 and 103,599 is: 155,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,360.82 : 255,258.74 = 103,599 : x
  2. Step 2: Convert to fraction form
    170,360.82/255,258.74 = 103,599/x
  3. Step 3: Cross multiply
    170,360.82x = 255,258.74 × 103,599
  4. Step 4: Simplify right side
    170,360.82x = 26,444,550,205.26
  5. Step 5: Solve for x
    x = 26,444,550,205.26/170,360.82
  6. Step 6: Final answer
    x = 155,226.71

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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.