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Finding the Fourth Proportional to 173,746, 239,767.86 and 98,294.50

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Solution

The fourth proportional to 173,746, 239,767.86 and 98,294.50 is: 135,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,746 : 239,767.86 = 98,294.50 : x
  2. Step 2: Convert to fraction form
    173,746/239,767.86 = 98,294.50/x
  3. Step 3: Cross multiply
    173,746x = 239,767.86 × 98,294.50
  4. Step 4: Simplify right side
    173,746x = 23,567,861,914.77
  5. Step 5: Solve for x
    x = 23,567,861,914.77/173,746
  6. Step 6: Final answer
    x = 135,645.49

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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.