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Finding the Fourth Proportional to 168,858.96, 233,031.24 and 93,414.48

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Solution

The fourth proportional to 168,858.96, 233,031.24 and 93,414.48 is: 128,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,858.96 : 233,031.24 = 93,414.48 : x
  2. Step 2: Convert to fraction form
    168,858.96/233,031.24 = 93,414.48/x
  3. Step 3: Cross multiply
    168,858.96x = 233,031.24 × 93,414.48
  4. Step 4: Simplify right side
    168,858.96x = 21,768,492,108.36
  5. Step 5: Solve for x
    x = 21,768,492,108.36/168,858.96
  6. Step 6: Final answer
    x = 128,915.23

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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.