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Finding the Fourth Proportional to 173,748, 239,772.48 and 98,294.88

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Solution

The fourth proportional to 173,748, 239,772.48 and 98,294.88 is: 135,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,748 : 239,772.48 = 98,294.88 : x
  2. Step 2: Convert to fraction form
    173,748/239,772.48 = 98,294.88/x
  3. Step 3: Cross multiply
    173,748x = 239,772.48 × 98,294.88
  4. Step 4: Simplify right side
    173,748x = 23,568,407,148.90
  5. Step 5: Solve for x
    x = 23,568,407,148.90/173,748
  6. Step 6: Final answer
    x = 135,647.07

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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.