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Finding the Fourth Proportional to 160,616.47, 221,650.99 and 88,007.82

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Solution

The fourth proportional to 160,616.47, 221,650.99 and 88,007.82 is: 121,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,616.47 : 221,650.99 = 88,007.82 : x
  2. Step 2: Convert to fraction form
    160,616.47/221,650.99 = 88,007.82/x
  3. Step 3: Cross multiply
    160,616.47x = 221,650.99 × 88,007.82
  4. Step 4: Simplify right side
    160,616.47x = 19,507,020,764.85
  5. Step 5: Solve for x
    x = 19,507,020,764.85/160,616.47
  6. Step 6: Final answer
    x = 121,450.94

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1.5x scale

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.