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Finding the Fourth Proportional to 160,607.70, 221,669.64 and 92,668.50

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Solution

The fourth proportional to 160,607.70, 221,669.64 and 92,668.50 is: 127,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,607.70 : 221,669.64 = 92,668.50 : x
  2. Step 2: Convert to fraction form
    160,607.70/221,669.64 = 92,668.50/x
  3. Step 3: Cross multiply
    160,607.70x = 221,669.64 × 92,668.50
  4. Step 4: Simplify right side
    160,607.70x = 20,541,793,034.34
  5. Step 5: Solve for x
    x = 20,541,793,034.34/160,607.70
  6. Step 6: Final answer
    x = 127,900.42

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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.