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Finding the Fourth Proportional to 161,362.92, 222,681.78 and 93,379.92

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Solution

The fourth proportional to 161,362.92, 222,681.78 and 93,379.92 is: 128,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,362.92 : 222,681.78 = 93,379.92 : x
  2. Step 2: Convert to fraction form
    161,362.92/222,681.78 = 93,379.92/x
  3. Step 3: Cross multiply
    161,362.92x = 222,681.78 × 93,379.92
  4. Step 4: Simplify right side
    161,362.92x = 20,794,006,801.86
  5. Step 5: Solve for x
    x = 20,794,006,801.86/161,362.92
  6. Step 6: Final answer
    x = 128,864.84

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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.