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Finding the Fourth Proportional to 173,253.40, 259,880.10 and 98,344.60

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Solution

The fourth proportional to 173,253.40, 259,880.10 and 98,344.60 is: 147,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,253.40 : 259,880.10 = 98,344.60 : x
  2. Step 2: Convert to fraction form
    173,253.40/259,880.10 = 98,344.60/x
  3. Step 3: Cross multiply
    173,253.40x = 259,880.10 × 98,344.60
  4. Step 4: Simplify right side
    173,253.40x = 25,557,804,482.46
  5. Step 5: Solve for x
    x = 25,557,804,482.46/173,253.40
  6. Step 6: Final answer
    x = 147,516.90

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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.