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Finding the Fourth Proportional to 96,304.60, 133,032.54 and 87,362.20

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Solution

The fourth proportional to 96,304.60, 133,032.54 and 87,362.20 is: 120,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,304.60 : 133,032.54 = 87,362.20 : x
  2. Step 2: Convert to fraction form
    96,304.60/133,032.54 = 87,362.20/x
  3. Step 3: Cross multiply
    96,304.60x = 133,032.54 × 87,362.20
  4. Step 4: Simplify right side
    96,304.60x = 11,622,015,365.99
  5. Step 5: Solve for x
    x = 11,622,015,365.99/96,304.60
  6. Step 6: Final answer
    x = 120,679.75

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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.