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Finding the Fourth Proportional to 174,063.42, 261,040.17 and 107,403.90

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Solution

The fourth proportional to 174,063.42, 261,040.17 and 107,403.90 is: 161,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,063.42 : 261,040.17 = 107,403.90 : x
  2. Step 2: Convert to fraction form
    174,063.42/261,040.17 = 107,403.90/x
  3. Step 3: Cross multiply
    174,063.42x = 261,040.17 × 107,403.90
  4. Step 4: Simplify right side
    174,063.42x = 28,036,732,314.66
  5. Step 5: Solve for x
    x = 28,036,732,314.66/174,063.42
  6. Step 6: Final answer
    x = 161,071.94

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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.