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Finding the Fourth Proportional to 155,773.24, 214,966.82 and 88,705.24

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Solution

The fourth proportional to 155,773.24, 214,966.82 and 88,705.24 is: 122,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,773.24 : 214,966.82 = 88,705.24 : x
  2. Step 2: Convert to fraction form
    155,773.24/214,966.82 = 88,705.24/x
  3. Step 3: Cross multiply
    155,773.24x = 214,966.82 × 88,705.24
  4. Step 4: Simplify right side
    155,773.24x = 19,068,683,360.14
  5. Step 5: Solve for x
    x = 19,068,683,360.14/155,773.24
  6. Step 6: Final answer
    x = 122,413.09

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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.