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Finding the Fourth Proportional to 168,770.50, 232,910.58 and 93,319

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Solution

The fourth proportional to 168,770.50, 232,910.58 and 93,319 is: 128,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,770.50 : 232,910.58 = 93,319 : x
  2. Step 2: Convert to fraction form
    168,770.50/232,910.58 = 93,319/x
  3. Step 3: Cross multiply
    168,770.50x = 232,910.58 × 93,319
  4. Step 4: Simplify right side
    168,770.50x = 21,734,982,415.02
  5. Step 5: Solve for x
    x = 21,734,982,415.02/168,770.50
  6. Step 6: Final answer
    x = 128,784.25

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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.