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Finding the Fourth Proportional to 157,354.88, 236,076.12 and 68,616.20

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Solution

The fourth proportional to 157,354.88, 236,076.12 and 68,616.20 is: 102,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,354.88 : 236,076.12 = 68,616.20 : x
  2. Step 2: Convert to fraction form
    157,354.88/236,076.12 = 68,616.20/x
  3. Step 3: Cross multiply
    157,354.88x = 236,076.12 × 68,616.20
  4. Step 4: Simplify right side
    157,354.88x = 16,198,646,265.14
  5. Step 5: Solve for x
    x = 16,198,646,265.14/157,354.88
  6. Step 6: Final answer
    x = 102,943.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.