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Finding the Fourth Proportional to 169,080.64, 233,329.60 and 91,555.92

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Solution

The fourth proportional to 169,080.64, 233,329.60 and 91,555.92 is: 126,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,080.64 : 233,329.60 = 91,555.92 : x
  2. Step 2: Convert to fraction form
    169,080.64/233,329.60 = 91,555.92/x
  3. Step 3: Cross multiply
    169,080.64x = 233,329.60 × 91,555.92
  4. Step 4: Simplify right side
    169,080.64x = 21,362,706,191.23
  5. Step 5: Solve for x
    x = 21,362,706,191.23/169,080.64
  6. Step 6: Final answer
    x = 126,346.26

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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.