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Finding the Fourth Proportional to 169,910.74, 234,482.85 and 93,435.70

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Solution

The fourth proportional to 169,910.74, 234,482.85 and 93,435.70 is: 128,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,910.74 : 234,482.85 = 93,435.70 : x
  2. Step 2: Convert to fraction form
    169,910.74/234,482.85 = 93,435.70/x
  3. Step 3: Cross multiply
    169,910.74x = 234,482.85 × 93,435.70
  4. Step 4: Simplify right side
    169,910.74x = 21,909,069,227.75
  5. Step 5: Solve for x
    x = 21,909,069,227.75/169,910.74
  6. Step 6: Final answer
    x = 128,944.58

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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.