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Finding the Fourth Proportional to 259,517.88, 358,102.62 and 152,063.28

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Solution

The fourth proportional to 259,517.88, 358,102.62 and 152,063.28 is: 209,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,517.88 : 358,102.62 = 152,063.28 : x
  2. Step 2: Convert to fraction form
    259,517.88/358,102.62 = 152,063.28/x
  3. Step 3: Cross multiply
    259,517.88x = 358,102.62 × 152,063.28
  4. Step 4: Simplify right side
    259,517.88x = 54,454,258,973.79
  5. Step 5: Solve for x
    x = 54,454,258,973.79/259,517.88
  6. Step 6: Final answer
    x = 209,828.54

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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.