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Finding the Fourth Proportional to 160,440.87, 221,410.13 and 88,822.09

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Solution

The fourth proportional to 160,440.87, 221,410.13 and 88,822.09 is: 122,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,440.87 : 221,410.13 = 88,822.09 : x
  2. Step 2: Convert to fraction form
    160,440.87/221,410.13 = 88,822.09/x
  3. Step 3: Cross multiply
    160,440.87x = 221,410.13 × 88,822.09
  4. Step 4: Simplify right side
    160,440.87x = 19,666,110,493.77
  5. Step 5: Solve for x
    x = 19,666,110,493.77/160,440.87
  6. Step 6: Final answer
    x = 122,575.44

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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.