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Finding the Fourth Proportional to 169,069.60, 233,559.08 and 135,033.40

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Solution

The fourth proportional to 169,069.60, 233,559.08 and 135,033.40 is: 186,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,069.60 : 233,559.08 = 135,033.40 : x
  2. Step 2: Convert to fraction form
    169,069.60/233,559.08 = 135,033.40/x
  3. Step 3: Cross multiply
    169,069.60x = 233,559.08 × 135,033.40
  4. Step 4: Simplify right side
    169,069.60x = 31,538,276,673.27
  5. Step 5: Solve for x
    x = 31,538,276,673.27/169,069.60
  6. Step 6: Final answer
    x = 186,540.20

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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.