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Finding the Fourth Proportional to 160,777.22, 221,869.14 and 92,788.88

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Solution

The fourth proportional to 160,777.22, 221,869.14 and 92,788.88 is: 128,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,777.22 : 221,869.14 = 92,788.88 : x
  2. Step 2: Convert to fraction form
    160,777.22/221,869.14 = 92,788.88/x
  3. Step 3: Cross multiply
    160,777.22x = 221,869.14 × 92,788.88
  4. Step 4: Simplify right side
    160,777.22x = 20,586,989,007.16
  5. Step 5: Solve for x
    x = 20,586,989,007.16/160,777.22
  6. Step 6: Final answer
    x = 128,046.68

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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.