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Finding the Fourth Proportional to 161,602.73, 222,977.81 and 93,615.65

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Solution

The fourth proportional to 161,602.73, 222,977.81 and 93,615.65 is: 129,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,602.73 : 222,977.81 = 93,615.65 : x
  2. Step 2: Convert to fraction form
    161,602.73/222,977.81 = 93,615.65/x
  3. Step 3: Cross multiply
    161,602.73x = 222,977.81 × 93,615.65
  4. Step 4: Simplify right side
    161,602.73x = 20,874,212,574.04
  5. Step 5: Solve for x
    x = 20,874,212,574.04/161,602.73
  6. Step 6: Final answer
    x = 129,169.93

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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.