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Finding the Fourth Proportional to 169,442.80, 233,859.10 and 94,015.60

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Solution

The fourth proportional to 169,442.80, 233,859.10 and 94,015.60 is: 129,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,442.80 : 233,859.10 = 94,015.60 : x
  2. Step 2: Convert to fraction form
    169,442.80/233,859.10 = 94,015.60/x
  3. Step 3: Cross multiply
    169,442.80x = 233,859.10 × 94,015.60
  4. Step 4: Simplify right side
    169,442.80x = 21,986,403,601.96
  5. Step 5: Solve for x
    x = 21,986,403,601.96/169,442.80
  6. Step 6: Final answer
    x = 129,757.08

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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.