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Finding the Fourth Proportional to 174,503.53, 261,740.70 and 69,294.25

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Solution

The fourth proportional to 174,503.53, 261,740.70 and 69,294.25 is: 103,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,503.53 : 261,740.70 = 69,294.25 : x
  2. Step 2: Convert to fraction form
    174,503.53/261,740.70 = 69,294.25/x
  3. Step 3: Cross multiply
    174,503.53x = 261,740.70 × 69,294.25
  4. Step 4: Simplify right side
    174,503.53x = 18,137,125,500.98
  5. Step 5: Solve for x
    x = 18,137,125,500.98/174,503.53
  6. Step 6: Final answer
    x = 103,935.58

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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.