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Finding the Fourth Proportional to 342,562.41, 513,892.80 and 105,923.52

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Solution

The fourth proportional to 342,562.41, 513,892.80 and 105,923.52 is: 158,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,562.41 : 513,892.80 = 105,923.52 : x
  2. Step 2: Convert to fraction form
    342,562.41/513,892.80 = 105,923.52/x
  3. Step 3: Cross multiply
    342,562.41x = 513,892.80 × 105,923.52
  4. Step 4: Simplify right side
    342,562.41x = 54,433,334,278.66
  5. Step 5: Solve for x
    x = 54,433,334,278.66/342,562.41
  6. Step 6: Final answer
    x = 158,900.49

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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.