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Finding the Fourth Proportional to 160,375.86, 221,325.63 and 88,755.90

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Solution

The fourth proportional to 160,375.86, 221,325.63 and 88,755.90 is: 122,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,375.86 : 221,325.63 = 88,755.90 : x
  2. Step 2: Convert to fraction form
    160,375.86/221,325.63 = 88,755.90/x
  3. Step 3: Cross multiply
    160,375.86x = 221,325.63 × 88,755.90
  4. Step 4: Simplify right side
    160,375.86x = 19,643,955,483.72
  5. Step 5: Solve for x
    x = 19,643,955,483.72/160,375.86
  6. Step 6: Final answer
    x = 122,486.98

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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.