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Finding the Fourth Proportional to 160,553.44, 221,565.52 and 88,934.56

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Solution

The fourth proportional to 160,553.44, 221,565.52 and 88,934.56 is: 122,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,553.44 : 221,565.52 = 88,934.56 : x
  2. Step 2: Convert to fraction form
    160,553.44/221,565.52 = 88,934.56/x
  3. Step 3: Cross multiply
    160,553.44x = 221,565.52 × 88,934.56
  4. Step 4: Simplify right side
    160,553.44x = 19,704,832,032.37
  5. Step 5: Solve for x
    x = 19,704,832,032.37/160,553.44
  6. Step 6: Final answer
    x = 122,730.67

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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.