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Finding the Fourth Proportional to 255,258.90, 352,251.45 and 159,818.22

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Solution

The fourth proportional to 255,258.90, 352,251.45 and 159,818.22 is: 220,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,258.90 : 352,251.45 = 159,818.22 : x
  2. Step 2: Convert to fraction form
    255,258.90/352,251.45 = 159,818.22/x
  3. Step 3: Cross multiply
    255,258.90x = 352,251.45 × 159,818.22
  4. Step 4: Simplify right side
    255,258.90x = 56,296,199,731.42
  5. Step 5: Solve for x
    x = 56,296,199,731.42/255,258.90
  6. Step 6: Final answer
    x = 220,545.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.