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Finding the Fourth Proportional to 168,863.64, 233,039.13 and 93,412.14

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Solution

The fourth proportional to 168,863.64, 233,039.13 and 93,412.14 is: 128,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863.64 : 233,039.13 = 93,412.14 : x
  2. Step 2: Convert to fraction form
    168,863.64/233,039.13 = 93,412.14/x
  3. Step 3: Cross multiply
    168,863.64x = 233,039.13 × 93,412.14
  4. Step 4: Simplify right side
    168,863.64x = 21,768,683,837.04
  5. Step 5: Solve for x
    x = 21,768,683,837.04/168,863.64
  6. Step 6: Final answer
    x = 128,912.80

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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.