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Finding the Fourth Proportional to 340,050.69, 510,057.54 and 103,374.90

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Solution

The fourth proportional to 340,050.69, 510,057.54 and 103,374.90 is: 155,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,050.69 : 510,057.54 = 103,374.90 : x
  2. Step 2: Convert to fraction form
    340,050.69/510,057.54 = 103,374.90/x
  3. Step 3: Cross multiply
    340,050.69x = 510,057.54 × 103,374.90
  4. Step 4: Simplify right side
    340,050.69x = 52,727,147,191.75
  5. Step 5: Solve for x
    x = 52,727,147,191.75/340,050.69
  6. Step 6: Final answer
    x = 155,056.73

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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.