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Finding the Fourth Proportional to 160,670.94, 221,725.88 and 89,055.58

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Solution

The fourth proportional to 160,670.94, 221,725.88 and 89,055.58 is: 122,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,670.94 : 221,725.88 = 89,055.58 : x
  2. Step 2: Convert to fraction form
    160,670.94/221,725.88 = 89,055.58/x
  3. Step 3: Cross multiply
    160,670.94x = 221,725.88 × 89,055.58
  4. Step 4: Simplify right side
    160,670.94x = 19,745,926,844.41
  5. Step 5: Solve for x
    x = 19,745,926,844.41/160,670.94
  6. Step 6: Final answer
    x = 122,896.69

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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.