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Finding the Fourth Proportional to 173,891.30, 243,972.70 and 173,891.30

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Solution

The fourth proportional to 173,891.30, 243,972.70 and 173,891.30 is: 243,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,891.30 : 243,972.70 = 173,891.30 : x
  2. Step 2: Convert to fraction form
    173,891.30/243,972.70 = 173,891.30/x
  3. Step 3: Cross multiply
    173,891.30x = 243,972.70 × 173,891.30
  4. Step 4: Simplify right side
    173,891.30x = 42,424,729,967.51
  5. Step 5: Solve for x
    x = 42,424,729,967.51/173,891.30
  6. Step 6: Final answer
    x = 243,972.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.