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Finding the Fourth Proportional to 161,933, 223,487.04 and 94,865

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Solution

The fourth proportional to 161,933, 223,487.04 and 94,865 is: 130,925.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,933 : 223,487.04 = 94,865 : x
  2. Step 2: Convert to fraction form
    161,933/223,487.04 = 94,865/x
  3. Step 3: Cross multiply
    161,933x = 223,487.04 × 94,865
  4. Step 4: Simplify right side
    161,933x = 21,201,098,049.60
  5. Step 5: Solve for x
    x = 21,201,098,049.60/161,933
  6. Step 6: Final answer
    x = 130,925.12

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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.