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Finding the Fourth Proportional to 173,365, 239,243.70 and 93,877

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Solution

The fourth proportional to 173,365, 239,243.70 and 93,877 is: 129,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,365 : 239,243.70 = 93,877 : x
  2. Step 2: Convert to fraction form
    173,365/239,243.70 = 93,877/x
  3. Step 3: Cross multiply
    173,365x = 239,243.70 × 93,877
  4. Step 4: Simplify right side
    173,365x = 22,459,480,824.90
  5. Step 5: Solve for x
    x = 22,459,480,824.90/173,365
  6. Step 6: Final answer
    x = 129,550.26

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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.