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Finding the Fourth Proportional to 137,850.60, 193,384.50 and 137,850.60

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Solution

The fourth proportional to 137,850.60, 193,384.50 and 137,850.60 is: 193,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,850.60 : 193,384.50 = 137,850.60 : x
  2. Step 2: Convert to fraction form
    137,850.60/193,384.50 = 137,850.60/x
  3. Step 3: Cross multiply
    137,850.60x = 193,384.50 × 137,850.60
  4. Step 4: Simplify right side
    137,850.60x = 26,658,169,355.70
  5. Step 5: Solve for x
    x = 26,658,169,355.70/137,850.60
  6. Step 6: Final answer
    x = 193,384.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.