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Finding the Fourth Proportional to 173,495.40, 259,724.70 and 103,338.60

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Solution

The fourth proportional to 173,495.40, 259,724.70 and 103,338.60 is: 154,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,495.40 : 259,724.70 = 103,338.60 : x
  2. Step 2: Convert to fraction form
    173,495.40/259,724.70 = 103,338.60/x
  3. Step 3: Cross multiply
    173,495.40x = 259,724.70 × 103,338.60
  4. Step 4: Simplify right side
    173,495.40x = 26,839,586,883.42
  5. Step 5: Solve for x
    x = 26,839,586,883.42/173,495.40
  6. Step 6: Final answer
    x = 154,699.13

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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.