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Finding the Fourth Proportional to 168,577.88, 232,642.04 and 100,634.28

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Solution

The fourth proportional to 168,577.88, 232,642.04 and 100,634.28 is: 138,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,577.88 : 232,642.04 = 100,634.28 : x
  2. Step 2: Convert to fraction form
    168,577.88/232,642.04 = 100,634.28/x
  3. Step 3: Cross multiply
    168,577.88x = 232,642.04 × 100,634.28
  4. Step 4: Simplify right side
    168,577.88x = 23,411,763,689.96
  5. Step 5: Solve for x
    x = 23,411,763,689.96/168,577.88
  6. Step 6: Final answer
    x = 138,878.03

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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.