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Finding the Fourth Proportional to 212,304.97, 292,980.81 and 116,809.62

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Solution

The fourth proportional to 212,304.97, 292,980.81 and 116,809.62 is: 161,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,304.97 : 292,980.81 = 116,809.62 : x
  2. Step 2: Convert to fraction form
    212,304.97/292,980.81 = 116,809.62/x
  3. Step 3: Cross multiply
    212,304.97x = 292,980.81 × 116,809.62
  4. Step 4: Simplify right side
    212,304.97x = 34,222,977,083.39
  5. Step 5: Solve for x
    x = 34,222,977,083.39/212,304.97
  6. Step 6: Final answer
    x = 161,197.25

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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.