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Finding the Fourth Proportional to 169,676.25, 234,173.88 and 98,056.86

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Solution

The fourth proportional to 169,676.25, 234,173.88 and 98,056.86 is: 135,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,676.25 : 234,173.88 = 98,056.86 : x
  2. Step 2: Convert to fraction form
    169,676.25/234,173.88 = 98,056.86/x
  3. Step 3: Cross multiply
    169,676.25x = 234,173.88 × 98,056.86
  4. Step 4: Simplify right side
    169,676.25x = 22,962,355,366.82
  5. Step 5: Solve for x
    x = 22,962,355,366.82/169,676.25
  6. Step 6: Final answer
    x = 135,330.40

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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.