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Finding the Fourth Proportional to 168,960.64, 233,164.80 and 93,506.56

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Solution

The fourth proportional to 168,960.64, 233,164.80 and 93,506.56 is: 129,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,960.64 : 233,164.80 = 93,506.56 : x
  2. Step 2: Convert to fraction form
    168,960.64/233,164.80 = 93,506.56/x
  3. Step 3: Cross multiply
    168,960.64x = 233,164.80 × 93,506.56
  4. Step 4: Simplify right side
    168,960.64x = 21,802,438,361.09
  5. Step 5: Solve for x
    x = 21,802,438,361.09/168,960.64
  6. Step 6: Final answer
    x = 129,038.56

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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.