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Finding the Fourth Proportional to 343,592.54, 515,424.18 and 118,952.54

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Solution

The fourth proportional to 343,592.54, 515,424.18 and 118,952.54 is: 178,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,592.54 : 515,424.18 = 118,952.54 : x
  2. Step 2: Convert to fraction form
    343,592.54/515,424.18 = 118,952.54/x
  3. Step 3: Cross multiply
    343,592.54x = 515,424.18 × 118,952.54
  4. Step 4: Simplify right side
    343,592.54x = 61,311,015,388.42
  5. Step 5: Solve for x
    x = 61,311,015,388.42/343,592.54
  6. Step 6: Final answer
    x = 178,441.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.