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Finding the Fourth Proportional to 160,483.60, 221,479.74 and 88,870.24

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Solution

The fourth proportional to 160,483.60, 221,479.74 and 88,870.24 is: 122,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,483.60 : 221,479.74 = 88,870.24 : x
  2. Step 2: Convert to fraction form
    160,483.60/221,479.74 = 88,870.24/x
  3. Step 3: Cross multiply
    160,483.60x = 221,479.74 × 88,870.24
  4. Step 4: Simplify right side
    160,483.60x = 19,682,957,648.94
  5. Step 5: Solve for x
    x = 19,682,957,648.94/160,483.60
  6. Step 6: Final answer
    x = 122,647.78

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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.