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Finding the Fourth Proportional to 168,498.12, 232,524.30 and 93,045

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Solution

The fourth proportional to 168,498.12, 232,524.30 and 93,045 is: 128,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,498.12 : 232,524.30 = 93,045 : x
  2. Step 2: Convert to fraction form
    168,498.12/232,524.30 = 93,045/x
  3. Step 3: Cross multiply
    168,498.12x = 232,524.30 × 93,045
  4. Step 4: Simplify right side
    168,498.12x = 21,635,223,493.50
  5. Step 5: Solve for x
    x = 21,635,223,493.50/168,498.12
  6. Step 6: Final answer
    x = 128,400.39

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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.