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Finding the Fourth Proportional to 173,657.84, 239,641.25 and 98,207.96

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Solution

The fourth proportional to 173,657.84, 239,641.25 and 98,207.96 is: 135,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,657.84 : 239,641.25 = 98,207.96 : x
  2. Step 2: Convert to fraction form
    173,657.84/239,641.25 = 98,207.96/x
  3. Step 3: Cross multiply
    173,657.84x = 239,641.25 × 98,207.96
  4. Step 4: Simplify right side
    173,657.84x = 23,534,676,605.10
  5. Step 5: Solve for x
    x = 23,534,676,605.10/173,657.84
  6. Step 6: Final answer
    x = 135,523.26

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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.