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Finding the Fourth Proportional to 178,173.97, 245,880.15 and 97,604.40

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Solution

The fourth proportional to 178,173.97, 245,880.15 and 97,604.40 is: 134,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,173.97 : 245,880.15 = 97,604.40 : x
  2. Step 2: Convert to fraction form
    178,173.97/245,880.15 = 97,604.40/x
  3. Step 3: Cross multiply
    178,173.97x = 245,880.15 × 97,604.40
  4. Step 4: Simplify right side
    178,173.97x = 23,998,984,146.64
  5. Step 5: Solve for x
    x = 23,998,984,146.64/178,173.97
  6. Step 6: Final answer
    x = 134,694.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.